Home / 7,225.56-9,972.09-4,081.95

Finding the Fourth Proportional to 7,225.56, 9,972.09 and 4,081.95

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Solution

The fourth proportional to 7,225.56, 9,972.09 and 4,081.95 is: 5,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.56 : 9,972.09 = 4,081.95 : x
  2. Step 2: Convert to fraction form
    7,225.56/9,972.09 = 4,081.95/x
  3. Step 3: Cross multiply
    7,225.56x = 9,972.09 × 4,081.95
  4. Step 4: Simplify right side
    7,225.56x = 40,705,587.50
  5. Step 5: Solve for x
    x = 40,705,587.50/7,225.56
  6. Step 6: Final answer
    x = 5,633.55

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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.