Home / 5,382.30-8,073.40-1,684.56

Finding the Fourth Proportional to 5,382.30, 8,073.40 and 1,684.56

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Solution

The fourth proportional to 5,382.30, 8,073.40 and 1,684.56 is: 2,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.30 : 8,073.40 = 1,684.56 : x
  2. Step 2: Convert to fraction form
    5,382.30/8,073.40 = 1,684.56/x
  3. Step 3: Cross multiply
    5,382.30x = 8,073.40 × 1,684.56
  4. Step 4: Simplify right side
    5,382.30x = 13,600,126.70
  5. Step 5: Solve for x
    x = 13,600,126.70/5,382.30
  6. Step 6: Final answer
    x = 2,526.82

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1.5x scale

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.