Home / 7,701.89-11,553.56-2,155.23

Finding the Fourth Proportional to 7,701.89, 11,553.56 and 2,155.23

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Solution

The fourth proportional to 7,701.89, 11,553.56 and 2,155.23 is: 3,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.89 : 11,553.56 = 2,155.23 : x
  2. Step 2: Convert to fraction form
    7,701.89/11,553.56 = 2,155.23/x
  3. Step 3: Cross multiply
    7,701.89x = 11,553.56 × 2,155.23
  4. Step 4: Simplify right side
    7,701.89x = 24,900,568.34
  5. Step 5: Solve for x
    x = 24,900,568.34/7,701.89
  6. Step 6: Final answer
    x = 3,233.05

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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.