Home / 5,427.86-7,490.46-2,943.86

Finding the Fourth Proportional to 5,427.86, 7,490.46 and 2,943.86

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Solution

The fourth proportional to 5,427.86, 7,490.46 and 2,943.86 is: 4,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.86 : 7,490.46 = 2,943.86 : x
  2. Step 2: Convert to fraction form
    5,427.86/7,490.46 = 2,943.86/x
  3. Step 3: Cross multiply
    5,427.86x = 7,490.46 × 2,943.86
  4. Step 4: Simplify right side
    5,427.86x = 22,050,865.58
  5. Step 5: Solve for x
    x = 22,050,865.58/5,427.86
  6. Step 6: Final answer
    x = 4,062.53

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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.