Home / 5,427.76-7,490.30-2,943.76

Finding the Fourth Proportional to 5,427.76, 7,490.30 and 2,943.76

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Solution

The fourth proportional to 5,427.76, 7,490.30 and 2,943.76 is: 4,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.76 : 7,490.30 = 2,943.76 : x
  2. Step 2: Convert to fraction form
    5,427.76/7,490.30 = 2,943.76/x
  3. Step 3: Cross multiply
    5,427.76x = 7,490.30 × 2,943.76
  4. Step 4: Simplify right side
    5,427.76x = 22,049,645.53
  5. Step 5: Solve for x
    x = 22,049,645.53/5,427.76
  6. Step 6: Final answer
    x = 4,062.38

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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.