Home / 5,177.89-7,766.93-1,715.23

Finding the Fourth Proportional to 5,177.89, 7,766.93 and 1,715.23

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Solution

The fourth proportional to 5,177.89, 7,766.93 and 1,715.23 is: 2,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.89 : 7,766.93 = 1,715.23 : x
  2. Step 2: Convert to fraction form
    5,177.89/7,766.93 = 1,715.23/x
  3. Step 3: Cross multiply
    5,177.89x = 7,766.93 × 1,715.23
  4. Step 4: Simplify right side
    5,177.89x = 13,322,062.77
  5. Step 5: Solve for x
    x = 13,322,062.77/5,177.89
  6. Step 6: Final answer
    x = 2,572.87

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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.