Home / 4,242.53-6,363.49-1,320.76

Finding the Fourth Proportional to 4,242.53, 6,363.49 and 1,320.76

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Solution

The fourth proportional to 4,242.53, 6,363.49 and 1,320.76 is: 1,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.53 : 6,363.49 = 1,320.76 : x
  2. Step 2: Convert to fraction form
    4,242.53/6,363.49 = 1,320.76/x
  3. Step 3: Cross multiply
    4,242.53x = 6,363.49 × 1,320.76
  4. Step 4: Simplify right side
    4,242.53x = 8,404,610.67
  5. Step 5: Solve for x
    x = 8,404,610.67/4,242.53
  6. Step 6: Final answer
    x = 1,981.04

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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.