Home / 8,006.22-11,040.36-5,316.48

Finding the Fourth Proportional to 8,006.22, 11,040.36 and 5,316.48

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Solution

The fourth proportional to 8,006.22, 11,040.36 and 5,316.48 is: 7,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.22 : 11,040.36 = 5,316.48 : x
  2. Step 2: Convert to fraction form
    8,006.22/11,040.36 = 5,316.48/x
  3. Step 3: Cross multiply
    8,006.22x = 11,040.36 × 5,316.48
  4. Step 4: Simplify right side
    8,006.22x = 58,695,853.13
  5. Step 5: Solve for x
    x = 58,695,853.13/8,006.22
  6. Step 6: Final answer
    x = 7,331.28

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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.