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Finding the Fourth Proportional to 6,543.48, 9,815.22 and 3,081

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Solution

The fourth proportional to 6,543.48, 9,815.22 and 3,081 is: 4,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.48 : 9,815.22 = 3,081 : x
  2. Step 2: Convert to fraction form
    6,543.48/9,815.22 = 3,081/x
  3. Step 3: Cross multiply
    6,543.48x = 9,815.22 × 3,081
  4. Step 4: Simplify right side
    6,543.48x = 30,240,692.82
  5. Step 5: Solve for x
    x = 30,240,692.82/6,543.48
  6. Step 6: Final answer
    x = 4,621.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.