Home / 4,943.92-6,823.38-3,177.40

Finding the Fourth Proportional to 4,943.92, 6,823.38 and 3,177.40

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Solution

The fourth proportional to 4,943.92, 6,823.38 and 3,177.40 is: 4,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.92 : 6,823.38 = 3,177.40 : x
  2. Step 2: Convert to fraction form
    4,943.92/6,823.38 = 3,177.40/x
  3. Step 3: Cross multiply
    4,943.92x = 6,823.38 × 3,177.40
  4. Step 4: Simplify right side
    4,943.92x = 21,680,607.61
  5. Step 5: Solve for x
    x = 21,680,607.61/4,943.92
  6. Step 6: Final answer
    x = 4,385.31

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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.