Home / 5,516.09-7,612.54-3,158.18

Finding the Fourth Proportional to 5,516.09, 7,612.54 and 3,158.18

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Solution

The fourth proportional to 5,516.09, 7,612.54 and 3,158.18 is: 4,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.09 : 7,612.54 = 3,158.18 : x
  2. Step 2: Convert to fraction form
    5,516.09/7,612.54 = 3,158.18/x
  3. Step 3: Cross multiply
    5,516.09x = 7,612.54 × 3,158.18
  4. Step 4: Simplify right side
    5,516.09x = 24,041,771.58
  5. Step 5: Solve for x
    x = 24,041,771.58/5,516.09
  6. Step 6: Final answer
    x = 4,358.48

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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.