Home / 8,787.16-13,180.33-3,240.10

Finding the Fourth Proportional to 8,787.16, 13,180.33 and 3,240.10

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Solution

The fourth proportional to 8,787.16, 13,180.33 and 3,240.10 is: 4,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.16 : 13,180.33 = 3,240.10 : x
  2. Step 2: Convert to fraction form
    8,787.16/13,180.33 = 3,240.10/x
  3. Step 3: Cross multiply
    8,787.16x = 13,180.33 × 3,240.10
  4. Step 4: Simplify right side
    8,787.16x = 42,705,587.23
  5. Step 5: Solve for x
    x = 42,705,587.23/8,787.16
  6. Step 6: Final answer
    x = 4,860.00

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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.