Home / 7,034.40-10,553.72-2,104.20

Finding the Fourth Proportional to 7,034.40, 10,553.72 and 2,104.20

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Solution

The fourth proportional to 7,034.40, 10,553.72 and 2,104.20 is: 3,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.40 : 10,553.72 = 2,104.20 : x
  2. Step 2: Convert to fraction form
    7,034.40/10,553.72 = 2,104.20/x
  3. Step 3: Cross multiply
    7,034.40x = 10,553.72 × 2,104.20
  4. Step 4: Simplify right side
    7,034.40x = 22,207,127.10
  5. Step 5: Solve for x
    x = 22,207,127.10/7,034.40
  6. Step 6: Final answer
    x = 3,156.93

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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.