Home / 7,902.45-11,842.35-5,805.99

Finding the Fourth Proportional to 7,902.45, 11,842.35 and 5,805.99

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Solution

The fourth proportional to 7,902.45, 11,842.35 and 5,805.99 is: 8,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.45 : 11,842.35 = 5,805.99 : x
  2. Step 2: Convert to fraction form
    7,902.45/11,842.35 = 5,805.99/x
  3. Step 3: Cross multiply
    7,902.45x = 11,842.35 × 5,805.99
  4. Step 4: Simplify right side
    7,902.45x = 68,756,565.68
  5. Step 5: Solve for x
    x = 68,756,565.68/7,902.45
  6. Step 6: Final answer
    x = 8,700.66

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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.