Home / 5,139.26-7,671.70-4,516.49

Finding the Fourth Proportional to 5,139.26, 7,671.70 and 4,516.49

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Solution

The fourth proportional to 5,139.26, 7,671.70 and 4,516.49 is: 6,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.26 : 7,671.70 = 4,516.49 : x
  2. Step 2: Convert to fraction form
    5,139.26/7,671.70 = 4,516.49/x
  3. Step 3: Cross multiply
    5,139.26x = 7,671.70 × 4,516.49
  4. Step 4: Simplify right side
    5,139.26x = 34,649,181.16
  5. Step 5: Solve for x
    x = 34,649,181.16/5,139.26
  6. Step 6: Final answer
    x = 6,742.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.