Home / 8,787.39-13,181.02-3,524.74

Finding the Fourth Proportional to 8,787.39, 13,181.02 and 3,524.74

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Solution

The fourth proportional to 8,787.39, 13,181.02 and 3,524.74 is: 5,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.39 : 13,181.02 = 3,524.74 : x
  2. Step 2: Convert to fraction form
    8,787.39/13,181.02 = 3,524.74/x
  3. Step 3: Cross multiply
    8,787.39x = 13,181.02 × 3,524.74
  4. Step 4: Simplify right side
    8,787.39x = 46,459,668.43
  5. Step 5: Solve for x
    x = 46,459,668.43/8,787.39
  6. Step 6: Final answer
    x = 5,287.08

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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.