Home / 8,761.05-12,090.24-5,224.41

Finding the Fourth Proportional to 8,761.05, 12,090.24 and 5,224.41

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Solution

The fourth proportional to 8,761.05, 12,090.24 and 5,224.41 is: 7,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.05 : 12,090.24 = 5,224.41 : x
  2. Step 2: Convert to fraction form
    8,761.05/12,090.24 = 5,224.41/x
  3. Step 3: Cross multiply
    8,761.05x = 12,090.24 × 5,224.41
  4. Step 4: Simplify right side
    8,761.05x = 63,164,370.76
  5. Step 5: Solve for x
    x = 63,164,370.76/8,761.05
  6. Step 6: Final answer
    x = 7,209.68

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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.