Home / 4,314.16-6,471.84-1,391.52

Finding the Fourth Proportional to 4,314.16, 6,471.84 and 1,391.52

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Solution

The fourth proportional to 4,314.16, 6,471.84 and 1,391.52 is: 2,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.16 : 6,471.84 = 1,391.52 : x
  2. Step 2: Convert to fraction form
    4,314.16/6,471.84 = 1,391.52/x
  3. Step 3: Cross multiply
    4,314.16x = 6,471.84 × 1,391.52
  4. Step 4: Simplify right side
    4,314.16x = 9,005,694.80
  5. Step 5: Solve for x
    x = 9,005,694.80/4,314.16
  6. Step 6: Final answer
    x = 2,087.47

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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.