Home / 8,127.10-11,213.60-5,294.19

Finding the Fourth Proportional to 8,127.10, 11,213.60 and 5,294.19

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Solution

The fourth proportional to 8,127.10, 11,213.60 and 5,294.19 is: 7,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.10 : 11,213.60 = 5,294.19 : x
  2. Step 2: Convert to fraction form
    8,127.10/11,213.60 = 5,294.19/x
  3. Step 3: Cross multiply
    8,127.10x = 11,213.60 × 5,294.19
  4. Step 4: Simplify right side
    8,127.10x = 59,366,928.98
  5. Step 5: Solve for x
    x = 59,366,928.98/8,127.10
  6. Step 6: Final answer
    x = 7,304.81

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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.