Home / 8,339.28-11,508.12-4,613.28

Finding the Fourth Proportional to 8,339.28, 11,508.12 and 4,613.28

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Solution

The fourth proportional to 8,339.28, 11,508.12 and 4,613.28 is: 6,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.28 : 11,508.12 = 4,613.28 : x
  2. Step 2: Convert to fraction form
    8,339.28/11,508.12 = 4,613.28/x
  3. Step 3: Cross multiply
    8,339.28x = 11,508.12 × 4,613.28
  4. Step 4: Simplify right side
    8,339.28x = 53,090,179.83
  5. Step 5: Solve for x
    x = 53,090,179.83/8,339.28
  6. Step 6: Final answer
    x = 6,366.28

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Half scale
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Double scale
Find fourth proportional to 8,340.28, 11,509.50 and 4,614.28
Similar ratio
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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.