Home / 8,822.24-12,177.16-5,677.28

Finding the Fourth Proportional to 8,822.24, 12,177.16 and 5,677.28

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Solution

The fourth proportional to 8,822.24, 12,177.16 and 5,677.28 is: 7,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.24 : 12,177.16 = 5,677.28 : x
  2. Step 2: Convert to fraction form
    8,822.24/12,177.16 = 5,677.28/x
  3. Step 3: Cross multiply
    8,822.24x = 12,177.16 × 5,677.28
  4. Step 4: Simplify right side
    8,822.24x = 69,133,146.92
  5. Step 5: Solve for x
    x = 69,133,146.92/8,822.24
  6. Step 6: Final answer
    x = 7,836.24

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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.