Home / 4,951.97-7,428.95-1,621.16

Finding the Fourth Proportional to 4,951.97, 7,428.95 and 1,621.16

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Solution

The fourth proportional to 4,951.97, 7,428.95 and 1,621.16 is: 2,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.97 : 7,428.95 = 1,621.16 : x
  2. Step 2: Convert to fraction form
    4,951.97/7,428.95 = 1,621.16/x
  3. Step 3: Cross multiply
    4,951.97x = 7,428.95 × 1,621.16
  4. Step 4: Simplify right side
    4,951.97x = 12,043,508.48
  5. Step 5: Solve for x
    x = 12,043,508.48/4,951.97
  6. Step 6: Final answer
    x = 2,432.06

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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.