Home / 7,743.89-11,609.35-5,397.01

Finding the Fourth Proportional to 7,743.89, 11,609.35 and 5,397.01

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Solution

The fourth proportional to 7,743.89, 11,609.35 and 5,397.01 is: 8,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.89 : 11,609.35 = 5,397.01 : x
  2. Step 2: Convert to fraction form
    7,743.89/11,609.35 = 5,397.01/x
  3. Step 3: Cross multiply
    7,743.89x = 11,609.35 × 5,397.01
  4. Step 4: Simplify right side
    7,743.89x = 62,655,778.04
  5. Step 5: Solve for x
    x = 62,655,778.04/7,743.89
  6. Step 6: Final answer
    x = 8,091.00

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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.