Home / 7,333.42-11,001.12-2,139.26

Finding the Fourth Proportional to 7,333.42, 11,001.12 and 2,139.26

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Solution

The fourth proportional to 7,333.42, 11,001.12 and 2,139.26 is: 3,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.42 : 11,001.12 = 2,139.26 : x
  2. Step 2: Convert to fraction form
    7,333.42/11,001.12 = 2,139.26/x
  3. Step 3: Cross multiply
    7,333.42x = 11,001.12 × 2,139.26
  4. Step 4: Simplify right side
    7,333.42x = 23,534,255.97
  5. Step 5: Solve for x
    x = 23,534,255.97/7,333.42
  6. Step 6: Final answer
    x = 3,209.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.