Home / 10,876.60-16,316.10-3,479.80

Finding the Fourth Proportional to 10,876.60, 16,316.10 and 3,479.80

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Solution

The fourth proportional to 10,876.60, 16,316.10 and 3,479.80 is: 5,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.60 : 16,316.10 = 3,479.80 : x
  2. Step 2: Convert to fraction form
    10,876.60/16,316.10 = 3,479.80/x
  3. Step 3: Cross multiply
    10,876.60x = 16,316.10 × 3,479.80
  4. Step 4: Simplify right side
    10,876.60x = 56,776,764.78
  5. Step 5: Solve for x
    x = 56,776,764.78/10,876.60
  6. Step 6: Final answer
    x = 5,220.08

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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.