Home / 7,631.09-10,531.28-4,273.70

Finding the Fourth Proportional to 7,631.09, 10,531.28 and 4,273.70

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Solution

The fourth proportional to 7,631.09, 10,531.28 and 4,273.70 is: 5,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.09 : 10,531.28 = 4,273.70 : x
  2. Step 2: Convert to fraction form
    7,631.09/10,531.28 = 4,273.70/x
  3. Step 3: Cross multiply
    7,631.09x = 10,531.28 × 4,273.70
  4. Step 4: Simplify right side
    7,631.09x = 45,007,489.36
  5. Step 5: Solve for x
    x = 45,007,489.36/7,631.09
  6. Step 6: Final answer
    x = 5,897.91

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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.