Home / 4,787.12-7,180.88-1,500.14

Finding the Fourth Proportional to 4,787.12, 7,180.88 and 1,500.14

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Solution

The fourth proportional to 4,787.12, 7,180.88 and 1,500.14 is: 2,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.12 : 7,180.88 = 1,500.14 : x
  2. Step 2: Convert to fraction form
    4,787.12/7,180.88 = 1,500.14/x
  3. Step 3: Cross multiply
    4,787.12x = 7,180.88 × 1,500.14
  4. Step 4: Simplify right side
    4,787.12x = 10,772,281.92
  5. Step 5: Solve for x
    x = 10,772,281.92/4,787.12
  6. Step 6: Final answer
    x = 2,250.27

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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.