Home / 7,037.30-9,711.36-3,893.49

Finding the Fourth Proportional to 7,037.30, 9,711.36 and 3,893.49

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Solution

The fourth proportional to 7,037.30, 9,711.36 and 3,893.49 is: 5,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.30 : 9,711.36 = 3,893.49 : x
  2. Step 2: Convert to fraction form
    7,037.30/9,711.36 = 3,893.49/x
  3. Step 3: Cross multiply
    7,037.30x = 9,711.36 × 3,893.49
  4. Step 4: Simplify right side
    7,037.30x = 37,811,083.05
  5. Step 5: Solve for x
    x = 37,811,083.05/7,037.30
  6. Step 6: Final answer
    x = 5,372.95

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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.