Home / 8,663.92-11,956.20-4,685.04

Finding the Fourth Proportional to 8,663.92, 11,956.20 and 4,685.04

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Solution

The fourth proportional to 8,663.92, 11,956.20 and 4,685.04 is: 6,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.92 : 11,956.20 = 4,685.04 : x
  2. Step 2: Convert to fraction form
    8,663.92/11,956.20 = 4,685.04/x
  3. Step 3: Cross multiply
    8,663.92x = 11,956.20 × 4,685.04
  4. Step 4: Simplify right side
    8,663.92x = 56,015,275.25
  5. Step 5: Solve for x
    x = 56,015,275.25/8,663.92
  6. Step 6: Final answer
    x = 6,465.35

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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.