Home / 8,787.48-13,181.22-4,403.91

Finding the Fourth Proportional to 8,787.48, 13,181.22 and 4,403.91

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Solution

The fourth proportional to 8,787.48, 13,181.22 and 4,403.91 is: 6,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.48 : 13,181.22 = 4,403.91 : x
  2. Step 2: Convert to fraction form
    8,787.48/13,181.22 = 4,403.91/x
  3. Step 3: Cross multiply
    8,787.48x = 13,181.22 × 4,403.91
  4. Step 4: Simplify right side
    8,787.48x = 58,048,906.57
  5. Step 5: Solve for x
    x = 58,048,906.57/8,787.48
  6. Step 6: Final answer
    x = 6,605.87

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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.