Home / 4,285.28-6,428.76-1,363.04

Finding the Fourth Proportional to 4,285.28, 6,428.76 and 1,363.04

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Solution

The fourth proportional to 4,285.28, 6,428.76 and 1,363.04 is: 2,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.28 : 6,428.76 = 1,363.04 : x
  2. Step 2: Convert to fraction form
    4,285.28/6,428.76 = 1,363.04/x
  3. Step 3: Cross multiply
    4,285.28x = 6,428.76 × 1,363.04
  4. Step 4: Simplify right side
    4,285.28x = 8,762,657.03
  5. Step 5: Solve for x
    x = 8,762,657.03/4,285.28
  6. Step 6: Final answer
    x = 2,044.83

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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.