Home / 8,806.28-13,210.50-4,123.88

Finding the Fourth Proportional to 8,806.28, 13,210.50 and 4,123.88

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Solution

The fourth proportional to 8,806.28, 13,210.50 and 4,123.88 is: 6,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.28 : 13,210.50 = 4,123.88 : x
  2. Step 2: Convert to fraction form
    8,806.28/13,210.50 = 4,123.88/x
  3. Step 3: Cross multiply
    8,806.28x = 13,210.50 × 4,123.88
  4. Step 4: Simplify right side
    8,806.28x = 54,478,516.74
  5. Step 5: Solve for x
    x = 54,478,516.74/8,806.28
  6. Step 6: Final answer
    x = 6,186.33

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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.