Home / 8,268.90-11,407.28-7,325.66

Finding the Fourth Proportional to 8,268.90, 11,407.28 and 7,325.66

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Solution

The fourth proportional to 8,268.90, 11,407.28 and 7,325.66 is: 10,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.90 : 11,407.28 = 7,325.66 : x
  2. Step 2: Convert to fraction form
    8,268.90/11,407.28 = 7,325.66/x
  3. Step 3: Cross multiply
    8,268.90x = 11,407.28 × 7,325.66
  4. Step 4: Simplify right side
    8,268.90x = 83,565,761.14
  5. Step 5: Solve for x
    x = 83,565,761.14/8,268.90
  6. Step 6: Final answer
    x = 10,106.03

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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.