Home / 8,289.19-11,440.47-5,304.88

Finding the Fourth Proportional to 8,289.19, 11,440.47 and 5,304.88

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Solution

The fourth proportional to 8,289.19, 11,440.47 and 5,304.88 is: 7,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.19 : 11,440.47 = 5,304.88 : x
  2. Step 2: Convert to fraction form
    8,289.19/11,440.47 = 5,304.88/x
  3. Step 3: Cross multiply
    8,289.19x = 11,440.47 × 5,304.88
  4. Step 4: Simplify right side
    8,289.19x = 60,690,320.49
  5. Step 5: Solve for x
    x = 60,690,320.49/8,289.19
  6. Step 6: Final answer
    x = 7,321.62

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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.