Home / 10,610.79-15,915.38-3,591.39

Finding the Fourth Proportional to 10,610.79, 15,915.38 and 3,591.39

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Solution

The fourth proportional to 10,610.79, 15,915.38 and 3,591.39 is: 5,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.79 : 15,915.38 = 3,591.39 : x
  2. Step 2: Convert to fraction form
    10,610.79/15,915.38 = 3,591.39/x
  3. Step 3: Cross multiply
    10,610.79x = 15,915.38 × 3,591.39
  4. Step 4: Simplify right side
    10,610.79x = 57,158,318.62
  5. Step 5: Solve for x
    x = 57,158,318.62/10,610.79
  6. Step 6: Final answer
    x = 5,386.81

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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.