Home / 7,251.30-10,006.80-4,108.08

Finding the Fourth Proportional to 7,251.30, 10,006.80 and 4,108.08

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Solution

The fourth proportional to 7,251.30, 10,006.80 and 4,108.08 is: 5,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.30 : 10,006.80 = 4,108.08 : x
  2. Step 2: Convert to fraction form
    7,251.30/10,006.80 = 4,108.08/x
  3. Step 3: Cross multiply
    7,251.30x = 10,006.80 × 4,108.08
  4. Step 4: Simplify right side
    7,251.30x = 41,108,734.94
  5. Step 5: Solve for x
    x = 41,108,734.94/7,251.30
  6. Step 6: Final answer
    x = 5,669.15

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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.