Home / 10,285.46-15,425.01-3,710.80

Finding the Fourth Proportional to 10,285.46, 15,425.01 and 3,710.80

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Solution

The fourth proportional to 10,285.46, 15,425.01 and 3,710.80 is: 5,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.46 : 15,425.01 = 3,710.80 : x
  2. Step 2: Convert to fraction form
    10,285.46/15,425.01 = 3,710.80/x
  3. Step 3: Cross multiply
    10,285.46x = 15,425.01 × 3,710.80
  4. Step 4: Simplify right side
    10,285.46x = 57,239,127.11
  5. Step 5: Solve for x
    x = 57,239,127.11/10,285.46
  6. Step 6: Final answer
    x = 5,565.05

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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.