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Finding the Fourth Proportional to 6,159.40, 9,239.10 and 6,101.80

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Solution

The fourth proportional to 6,159.40, 9,239.10 and 6,101.80 is: 9,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.40 : 9,239.10 = 6,101.80 : x
  2. Step 2: Convert to fraction form
    6,159.40/9,239.10 = 6,101.80/x
  3. Step 3: Cross multiply
    6,159.40x = 9,239.10 × 6,101.80
  4. Step 4: Simplify right side
    6,159.40x = 56,375,140.38
  5. Step 5: Solve for x
    x = 56,375,140.38/6,159.40
  6. Step 6: Final answer
    x = 9,152.70

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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.