Home / 5,626.25-7,759.17-4,685.15

Finding the Fourth Proportional to 5,626.25, 7,759.17 and 4,685.15

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Solution

The fourth proportional to 5,626.25, 7,759.17 and 4,685.15 is: 6,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.25 : 7,759.17 = 4,685.15 : x
  2. Step 2: Convert to fraction form
    5,626.25/7,759.17 = 4,685.15/x
  3. Step 3: Cross multiply
    5,626.25x = 7,759.17 × 4,685.15
  4. Step 4: Simplify right side
    5,626.25x = 36,352,912.29
  5. Step 5: Solve for x
    x = 36,352,912.29/5,626.25
  6. Step 6: Final answer
    x = 6,461.31

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1.5x scale

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.