Home / 5,126.67-7,691.36-1,616.81

Finding the Fourth Proportional to 5,126.67, 7,691.36 and 1,616.81

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Solution

The fourth proportional to 5,126.67, 7,691.36 and 1,616.81 is: 2,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.67 : 7,691.36 = 1,616.81 : x
  2. Step 2: Convert to fraction form
    5,126.67/7,691.36 = 1,616.81/x
  3. Step 3: Cross multiply
    5,126.67x = 7,691.36 × 1,616.81
  4. Step 4: Simplify right side
    5,126.67x = 12,435,421.22
  5. Step 5: Solve for x
    x = 12,435,421.22/5,126.67
  6. Step 6: Final answer
    x = 2,425.63

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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.