Home / 8,864.39-13,278.65-4,113.86

Finding the Fourth Proportional to 8,864.39, 13,278.65 and 4,113.86

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Solution

The fourth proportional to 8,864.39, 13,278.65 and 4,113.86 is: 6,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.39 : 13,278.65 = 4,113.86 : x
  2. Step 2: Convert to fraction form
    8,864.39/13,278.65 = 4,113.86/x
  3. Step 3: Cross multiply
    8,864.39x = 13,278.65 × 4,113.86
  4. Step 4: Simplify right side
    8,864.39x = 54,626,507.09
  5. Step 5: Solve for x
    x = 54,626,507.09/8,864.39
  6. Step 6: Final answer
    x = 6,162.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.