Home / 8,948.46-12,350.22-6,438.87

Finding the Fourth Proportional to 8,948.46, 12,350.22 and 6,438.87

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Solution

The fourth proportional to 8,948.46, 12,350.22 and 6,438.87 is: 8,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.46 : 12,350.22 = 6,438.87 : x
  2. Step 2: Convert to fraction form
    8,948.46/12,350.22 = 6,438.87/x
  3. Step 3: Cross multiply
    8,948.46x = 12,350.22 × 6,438.87
  4. Step 4: Simplify right side
    8,948.46x = 79,521,461.05
  5. Step 5: Solve for x
    x = 79,521,461.05/8,948.46
  6. Step 6: Final answer
    x = 8,886.61

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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.