Home / 7,037.12-9,711.28-3,893.52

Finding the Fourth Proportional to 7,037.12, 9,711.28 and 3,893.52

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Solution

The fourth proportional to 7,037.12, 9,711.28 and 3,893.52 is: 5,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.12 : 9,711.28 = 3,893.52 : x
  2. Step 2: Convert to fraction form
    7,037.12/9,711.28 = 3,893.52/x
  3. Step 3: Cross multiply
    7,037.12x = 9,711.28 × 3,893.52
  4. Step 4: Simplify right side
    7,037.12x = 37,811,062.91
  5. Step 5: Solve for x
    x = 37,811,062.91/7,037.12
  6. Step 6: Final answer
    x = 5,373.09

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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.