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Finding the Fourth Proportional to 6,137.42, 9,206.13 and 1,520.42

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Solution

The fourth proportional to 6,137.42, 9,206.13 and 1,520.42 is: 2,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.42 : 9,206.13 = 1,520.42 : x
  2. Step 2: Convert to fraction form
    6,137.42/9,206.13 = 1,520.42/x
  3. Step 3: Cross multiply
    6,137.42x = 9,206.13 × 1,520.42
  4. Step 4: Simplify right side
    6,137.42x = 13,997,184.17
  5. Step 5: Solve for x
    x = 13,997,184.17/6,137.42
  6. Step 6: Final answer
    x = 2,280.63

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Double scale
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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.