Home / 8,877.60-13,316.40-3,683.88

Finding the Fourth Proportional to 8,877.60, 13,316.40 and 3,683.88

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Solution

The fourth proportional to 8,877.60, 13,316.40 and 3,683.88 is: 5,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.60 : 13,316.40 = 3,683.88 : x
  2. Step 2: Convert to fraction form
    8,877.60/13,316.40 = 3,683.88/x
  3. Step 3: Cross multiply
    8,877.60x = 13,316.40 × 3,683.88
  4. Step 4: Simplify right side
    8,877.60x = 49,056,019.63
  5. Step 5: Solve for x
    x = 49,056,019.63/8,877.60
  6. Step 6: Final answer
    x = 5,525.82

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Similar ratio
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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.