Home / 4,319.92-5,972.10-4,280.43

Finding the Fourth Proportional to 4,319.92, 5,972.10 and 4,280.43

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Solution

The fourth proportional to 4,319.92, 5,972.10 and 4,280.43 is: 5,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.92 : 5,972.10 = 4,280.43 : x
  2. Step 2: Convert to fraction form
    4,319.92/5,972.10 = 4,280.43/x
  3. Step 3: Cross multiply
    4,319.92x = 5,972.10 × 4,280.43
  4. Step 4: Simplify right side
    4,319.92x = 25,563,162.35
  5. Step 5: Solve for x
    x = 25,563,162.35/4,319.92
  6. Step 6: Final answer
    x = 5,917.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.