Home / 7,341.62-11,008.84-5,121.52

Finding the Fourth Proportional to 7,341.62, 11,008.84 and 5,121.52

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Solution

The fourth proportional to 7,341.62, 11,008.84 and 5,121.52 is: 7,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.62 : 11,008.84 = 5,121.52 : x
  2. Step 2: Convert to fraction form
    7,341.62/11,008.84 = 5,121.52/x
  3. Step 3: Cross multiply
    7,341.62x = 11,008.84 × 5,121.52
  4. Step 4: Simplify right side
    7,341.62x = 56,381,994.24
  5. Step 5: Solve for x
    x = 56,381,994.24/7,341.62
  6. Step 6: Final answer
    x = 7,679.78

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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.