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Finding the Fourth Proportional to 8,878.68, 13,323.30 and 3,948.60

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Solution

The fourth proportional to 8,878.68, 13,323.30 and 3,948.60 is: 5,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.68 : 13,323.30 = 3,948.60 : x
  2. Step 2: Convert to fraction form
    8,878.68/13,323.30 = 3,948.60/x
  3. Step 3: Cross multiply
    8,878.68x = 13,323.30 × 3,948.60
  4. Step 4: Simplify right side
    8,878.68x = 52,608,382.38
  5. Step 5: Solve for x
    x = 52,608,382.38/8,878.68
  6. Step 6: Final answer
    x = 5,925.25

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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.