Home / 8,001.09-11,040.81-5,168.60

Finding the Fourth Proportional to 8,001.09, 11,040.81 and 5,168.60

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Solution

The fourth proportional to 8,001.09, 11,040.81 and 5,168.60 is: 7,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.09 : 11,040.81 = 5,168.60 : x
  2. Step 2: Convert to fraction form
    8,001.09/11,040.81 = 5,168.60/x
  3. Step 3: Cross multiply
    8,001.09x = 11,040.81 × 5,168.60
  4. Step 4: Simplify right side
    8,001.09x = 57,065,475.36
  5. Step 5: Solve for x
    x = 57,065,475.36/8,001.09
  6. Step 6: Final answer
    x = 7,132.21

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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.