Home / 5,166.40-7,130.28-3,177.24

Finding the Fourth Proportional to 5,166.40, 7,130.28 and 3,177.24

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Solution

The fourth proportional to 5,166.40, 7,130.28 and 3,177.24 is: 4,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.40 : 7,130.28 = 3,177.24 : x
  2. Step 2: Convert to fraction form
    5,166.40/7,130.28 = 3,177.24/x
  3. Step 3: Cross multiply
    5,166.40x = 7,130.28 × 3,177.24
  4. Step 4: Simplify right side
    5,166.40x = 22,654,610.83
  5. Step 5: Solve for x
    x = 22,654,610.83/5,166.40
  6. Step 6: Final answer
    x = 4,384.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.