Home / 7,177.80-10,763.44-2,560.92

Finding the Fourth Proportional to 7,177.80, 10,763.44 and 2,560.92

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Solution

The fourth proportional to 7,177.80, 10,763.44 and 2,560.92 is: 3,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.80 : 10,763.44 = 2,560.92 : x
  2. Step 2: Convert to fraction form
    7,177.80/10,763.44 = 2,560.92/x
  3. Step 3: Cross multiply
    7,177.80x = 10,763.44 × 2,560.92
  4. Step 4: Simplify right side
    7,177.80x = 27,564,308.76
  5. Step 5: Solve for x
    x = 27,564,308.76/7,177.80
  6. Step 6: Final answer
    x = 3,840.22

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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.