Home / 8,291.24-11,438.42-5,491.88

Finding the Fourth Proportional to 8,291.24, 11,438.42 and 5,491.88

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Solution

The fourth proportional to 8,291.24, 11,438.42 and 5,491.88 is: 7,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.24 : 11,438.42 = 5,491.88 : x
  2. Step 2: Convert to fraction form
    8,291.24/11,438.42 = 5,491.88/x
  3. Step 3: Cross multiply
    8,291.24x = 11,438.42 × 5,491.88
  4. Step 4: Simplify right side
    8,291.24x = 62,818,430.03
  5. Step 5: Solve for x
    x = 62,818,430.03/8,291.24
  6. Step 6: Final answer
    x = 7,576.48

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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.