Home / 7,449.50-10,280.44-4,306.70

Finding the Fourth Proportional to 7,449.50, 10,280.44 and 4,306.70

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Solution

The fourth proportional to 7,449.50, 10,280.44 and 4,306.70 is: 5,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.50 : 10,280.44 = 4,306.70 : x
  2. Step 2: Convert to fraction form
    7,449.50/10,280.44 = 4,306.70/x
  3. Step 3: Cross multiply
    7,449.50x = 10,280.44 × 4,306.70
  4. Step 4: Simplify right side
    7,449.50x = 44,274,770.95
  5. Step 5: Solve for x
    x = 44,274,770.95/7,449.50
  6. Step 6: Final answer
    x = 5,943.32

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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.