Home / 8,456.92-11,670.96-4,680.07

Finding the Fourth Proportional to 8,456.92, 11,670.96 and 4,680.07

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Solution

The fourth proportional to 8,456.92, 11,670.96 and 4,680.07 is: 6,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.92 : 11,670.96 = 4,680.07 : x
  2. Step 2: Convert to fraction form
    8,456.92/11,670.96 = 4,680.07/x
  3. Step 3: Cross multiply
    8,456.92x = 11,670.96 × 4,680.07
  4. Step 4: Simplify right side
    8,456.92x = 54,620,909.77
  5. Step 5: Solve for x
    x = 54,620,909.77/8,456.92
  6. Step 6: Final answer
    x = 6,458.72

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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.