Home / 7,037.30-9,711.59-3,850.87

Finding the Fourth Proportional to 7,037.30, 9,711.59 and 3,850.87

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Solution

The fourth proportional to 7,037.30, 9,711.59 and 3,850.87 is: 5,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.30 : 9,711.59 = 3,850.87 : x
  2. Step 2: Convert to fraction form
    7,037.30/9,711.59 = 3,850.87/x
  3. Step 3: Cross multiply
    7,037.30x = 9,711.59 × 3,850.87
  4. Step 4: Simplify right side
    7,037.30x = 37,398,070.58
  5. Step 5: Solve for x
    x = 37,398,070.58/7,037.30
  6. Step 6: Final answer
    x = 5,314.27

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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.