Home / 4,787.10-7,180.65-2,454.30

Finding the Fourth Proportional to 4,787.10, 7,180.65 and 2,454.30

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Solution

The fourth proportional to 4,787.10, 7,180.65 and 2,454.30 is: 3,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.10 : 7,180.65 = 2,454.30 : x
  2. Step 2: Convert to fraction form
    4,787.10/7,180.65 = 2,454.30/x
  3. Step 3: Cross multiply
    4,787.10x = 7,180.65 × 2,454.30
  4. Step 4: Simplify right side
    4,787.10x = 17,623,469.30
  5. Step 5: Solve for x
    x = 17,623,469.30/4,787.10
  6. Step 6: Final answer
    x = 3,681.45

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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.