Home / 4,350.57-6,521.76-1,427.28

Finding the Fourth Proportional to 4,350.57, 6,521.76 and 1,427.28

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Solution

The fourth proportional to 4,350.57, 6,521.76 and 1,427.28 is: 2,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.57 : 6,521.76 = 1,427.28 : x
  2. Step 2: Convert to fraction form
    4,350.57/6,521.76 = 1,427.28/x
  3. Step 3: Cross multiply
    4,350.57x = 6,521.76 × 1,427.28
  4. Step 4: Simplify right side
    4,350.57x = 9,308,377.61
  5. Step 5: Solve for x
    x = 9,308,377.61/4,350.57
  6. Step 6: Final answer
    x = 2,139.58

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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.