Home / 4,787.42-7,181.13-1,500.53

Finding the Fourth Proportional to 4,787.42, 7,181.13 and 1,500.53

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Solution

The fourth proportional to 4,787.42, 7,181.13 and 1,500.53 is: 2,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.42 : 7,181.13 = 1,500.53 : x
  2. Step 2: Convert to fraction form
    4,787.42/7,181.13 = 1,500.53/x
  3. Step 3: Cross multiply
    4,787.42x = 7,181.13 × 1,500.53
  4. Step 4: Simplify right side
    4,787.42x = 10,775,465.09
  5. Step 5: Solve for x
    x = 10,775,465.09/4,787.42
  6. Step 6: Final answer
    x = 2,250.79

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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.