Home / 4,245.20-6,368.12-1,472

Finding the Fourth Proportional to 4,245.20, 6,368.12 and 1,472

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Solution

The fourth proportional to 4,245.20, 6,368.12 and 1,472 is: 2,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.20 : 6,368.12 = 1,472 : x
  2. Step 2: Convert to fraction form
    4,245.20/6,368.12 = 1,472/x
  3. Step 3: Cross multiply
    4,245.20x = 6,368.12 × 1,472
  4. Step 4: Simplify right side
    4,245.20x = 9,373,872.64
  5. Step 5: Solve for x
    x = 9,373,872.64/4,245.20
  6. Step 6: Final answer
    x = 2,208.11

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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.