Home / 8,926.43-12,318.50-4,947.61

Finding the Fourth Proportional to 8,926.43, 12,318.50 and 4,947.61

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Solution

The fourth proportional to 8,926.43, 12,318.50 and 4,947.61 is: 6,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.43 : 12,318.50 = 4,947.61 : x
  2. Step 2: Convert to fraction form
    8,926.43/12,318.50 = 4,947.61/x
  3. Step 3: Cross multiply
    8,926.43x = 12,318.50 × 4,947.61
  4. Step 4: Simplify right side
    8,926.43x = 60,947,133.79
  5. Step 5: Solve for x
    x = 60,947,133.79/8,926.43
  6. Step 6: Final answer
    x = 6,827.72

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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.