Home / 5,338.02-7,366.20-2,979.71

Finding the Fourth Proportional to 5,338.02, 7,366.20 and 2,979.71

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Solution

The fourth proportional to 5,338.02, 7,366.20 and 2,979.71 is: 4,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.02 : 7,366.20 = 2,979.71 : x
  2. Step 2: Convert to fraction form
    5,338.02/7,366.20 = 2,979.71/x
  3. Step 3: Cross multiply
    5,338.02x = 7,366.20 × 2,979.71
  4. Step 4: Simplify right side
    5,338.02x = 21,949,139.80
  5. Step 5: Solve for x
    x = 21,949,139.80/5,338.02
  6. Step 6: Final answer
    x = 4,111.85

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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.