Home / 8,487.38-11,712.53-4,710.56

Finding the Fourth Proportional to 8,487.38, 11,712.53 and 4,710.56

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Solution

The fourth proportional to 8,487.38, 11,712.53 and 4,710.56 is: 6,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.38 : 11,712.53 = 4,710.56 : x
  2. Step 2: Convert to fraction form
    8,487.38/11,712.53 = 4,710.56/x
  3. Step 3: Cross multiply
    8,487.38x = 11,712.53 × 4,710.56
  4. Step 4: Simplify right side
    8,487.38x = 55,172,528.53
  5. Step 5: Solve for x
    x = 55,172,528.53/8,487.38
  6. Step 6: Final answer
    x = 6,500.54

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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.