Home / 5,517.16-8,275.74-1,621.57

Finding the Fourth Proportional to 5,517.16, 8,275.74 and 1,621.57

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Solution

The fourth proportional to 5,517.16, 8,275.74 and 1,621.57 is: 2,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.16 : 8,275.74 = 1,621.57 : x
  2. Step 2: Convert to fraction form
    5,517.16/8,275.74 = 1,621.57/x
  3. Step 3: Cross multiply
    5,517.16x = 8,275.74 × 1,621.57
  4. Step 4: Simplify right side
    5,517.16x = 13,419,642.23
  5. Step 5: Solve for x
    x = 13,419,642.23/5,517.16
  6. Step 6: Final answer
    x = 2,432.35

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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.