Home / 7,817.44-10,788.08-4,280.66

Finding the Fourth Proportional to 7,817.44, 10,788.08 and 4,280.66

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Solution

The fourth proportional to 7,817.44, 10,788.08 and 4,280.66 is: 5,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.44 : 10,788.08 = 4,280.66 : x
  2. Step 2: Convert to fraction form
    7,817.44/10,788.08 = 4,280.66/x
  3. Step 3: Cross multiply
    7,817.44x = 10,788.08 × 4,280.66
  4. Step 4: Simplify right side
    7,817.44x = 46,180,102.53
  5. Step 5: Solve for x
    x = 46,180,102.53/7,817.44
  6. Step 6: Final answer
    x = 5,907.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.