Home / 5,382.18-8,073.35-3,545.06

Finding the Fourth Proportional to 5,382.18, 8,073.35 and 3,545.06

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Solution

The fourth proportional to 5,382.18, 8,073.35 and 3,545.06 is: 5,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.18 : 8,073.35 = 3,545.06 : x
  2. Step 2: Convert to fraction form
    5,382.18/8,073.35 = 3,545.06/x
  3. Step 3: Cross multiply
    5,382.18x = 8,073.35 × 3,545.06
  4. Step 4: Simplify right side
    5,382.18x = 28,620,510.15
  5. Step 5: Solve for x
    x = 28,620,510.15/5,382.18
  6. Step 6: Final answer
    x = 5,317.64

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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.