Home / 10,285.49-15,425.04-3,710.82

Finding the Fourth Proportional to 10,285.49, 15,425.04 and 3,710.82

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Solution

The fourth proportional to 10,285.49, 15,425.04 and 3,710.82 is: 5,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.49 : 15,425.04 = 3,710.82 : x
  2. Step 2: Convert to fraction form
    10,285.49/15,425.04 = 3,710.82/x
  3. Step 3: Cross multiply
    10,285.49x = 15,425.04 × 3,710.82
  4. Step 4: Simplify right side
    10,285.49x = 57,239,451.25
  5. Step 5: Solve for x
    x = 57,239,451.25/10,285.49
  6. Step 6: Final answer
    x = 5,565.07

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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.