Home / 7,589.31-11,385.18-3,206.81

Finding the Fourth Proportional to 7,589.31, 11,385.18 and 3,206.81

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Solution

The fourth proportional to 7,589.31, 11,385.18 and 3,206.81 is: 4,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.31 : 11,385.18 = 3,206.81 : x
  2. Step 2: Convert to fraction form
    7,589.31/11,385.18 = 3,206.81/x
  3. Step 3: Cross multiply
    7,589.31x = 11,385.18 × 3,206.81
  4. Step 4: Simplify right side
    7,589.31x = 36,510,109.08
  5. Step 5: Solve for x
    x = 36,510,109.08/7,589.31
  6. Step 6: Final answer
    x = 4,810.73

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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.