Home / 8,488.08-11,719.38-6,495.16

Finding the Fourth Proportional to 8,488.08, 11,719.38 and 6,495.16

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Solution

The fourth proportional to 8,488.08, 11,719.38 and 6,495.16 is: 8,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.08 : 11,719.38 = 6,495.16 : x
  2. Step 2: Convert to fraction form
    8,488.08/11,719.38 = 6,495.16/x
  3. Step 3: Cross multiply
    8,488.08x = 11,719.38 × 6,495.16
  4. Step 4: Simplify right side
    8,488.08x = 76,119,248.20
  5. Step 5: Solve for x
    x = 76,119,248.20/8,488.08
  6. Step 6: Final answer
    x = 8,967.78

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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.