Home / 5,177.54-7,767.75-2,870.66

Finding the Fourth Proportional to 5,177.54, 7,767.75 and 2,870.66

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Solution

The fourth proportional to 5,177.54, 7,767.75 and 2,870.66 is: 4,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.54 : 7,767.75 = 2,870.66 : x
  2. Step 2: Convert to fraction form
    5,177.54/7,767.75 = 2,870.66/x
  3. Step 3: Cross multiply
    5,177.54x = 7,767.75 × 2,870.66
  4. Step 4: Simplify right side
    5,177.54x = 22,298,569.22
  5. Step 5: Solve for x
    x = 22,298,569.22/5,177.54
  6. Step 6: Final answer
    x = 4,306.79

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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.