Home / 8,288.24-11,434.28-5,488.88

Finding the Fourth Proportional to 8,288.24, 11,434.28 and 5,488.88

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Solution

The fourth proportional to 8,288.24, 11,434.28 and 5,488.88 is: 7,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.24 : 11,434.28 = 5,488.88 : x
  2. Step 2: Convert to fraction form
    8,288.24/11,434.28 = 5,488.88/x
  3. Step 3: Cross multiply
    8,288.24x = 11,434.28 × 5,488.88
  4. Step 4: Simplify right side
    8,288.24x = 62,761,390.81
  5. Step 5: Solve for x
    x = 62,761,390.81/8,288.24
  6. Step 6: Final answer
    x = 7,572.34

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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.