Home / 8,488.13-11,712.20-4,710.69

Finding the Fourth Proportional to 8,488.13, 11,712.20 and 4,710.69

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Solution

The fourth proportional to 8,488.13, 11,712.20 and 4,710.69 is: 6,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.13 : 11,712.20 = 4,710.69 : x
  2. Step 2: Convert to fraction form
    8,488.13/11,712.20 = 4,710.69/x
  3. Step 3: Cross multiply
    8,488.13x = 11,712.20 × 4,710.69
  4. Step 4: Simplify right side
    8,488.13x = 55,172,543.42
  5. Step 5: Solve for x
    x = 55,172,543.42/8,488.13
  6. Step 6: Final answer
    x = 6,499.96

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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.