Home / 5,516.82-8,275.95-1,621.26

Finding the Fourth Proportional to 5,516.82, 8,275.95 and 1,621.26

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Solution

The fourth proportional to 5,516.82, 8,275.95 and 1,621.26 is: 2,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.82 : 8,275.95 = 1,621.26 : x
  2. Step 2: Convert to fraction form
    5,516.82/8,275.95 = 1,621.26/x
  3. Step 3: Cross multiply
    5,516.82x = 8,275.95 × 1,621.26
  4. Step 4: Simplify right side
    5,516.82x = 13,417,466.70
  5. Step 5: Solve for x
    x = 13,417,466.70/5,516.82
  6. Step 6: Final answer
    x = 2,432.10

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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.