Home / 5,311.16-7,954.38-5,126.60

Finding the Fourth Proportional to 5,311.16, 7,954.38 and 5,126.60

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Solution

The fourth proportional to 5,311.16, 7,954.38 and 5,126.60 is: 7,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.16 : 7,954.38 = 5,126.60 : x
  2. Step 2: Convert to fraction form
    5,311.16/7,954.38 = 5,126.60/x
  3. Step 3: Cross multiply
    5,311.16x = 7,954.38 × 5,126.60
  4. Step 4: Simplify right side
    5,311.16x = 40,778,924.51
  5. Step 5: Solve for x
    x = 40,778,924.51/5,311.16
  6. Step 6: Final answer
    x = 7,677.97

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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.