Home / 7,721.10-11,593.80-5,874.30

Finding the Fourth Proportional to 7,721.10, 11,593.80 and 5,874.30

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Solution

The fourth proportional to 7,721.10, 11,593.80 and 5,874.30 is: 8,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.10 : 11,593.80 = 5,874.30 : x
  2. Step 2: Convert to fraction form
    7,721.10/11,593.80 = 5,874.30/x
  3. Step 3: Cross multiply
    7,721.10x = 11,593.80 × 5,874.30
  4. Step 4: Simplify right side
    7,721.10x = 68,105,459.34
  5. Step 5: Solve for x
    x = 68,105,459.34/7,721.10
  6. Step 6: Final answer
    x = 8,820.69

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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.