Home / 7,275.84-10,906.29-4,149.45

Finding the Fourth Proportional to 7,275.84, 10,906.29 and 4,149.45

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Solution

The fourth proportional to 7,275.84, 10,906.29 and 4,149.45 is: 6,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.84 : 10,906.29 = 4,149.45 : x
  2. Step 2: Convert to fraction form
    7,275.84/10,906.29 = 4,149.45/x
  3. Step 3: Cross multiply
    7,275.84x = 10,906.29 × 4,149.45
  4. Step 4: Simplify right side
    7,275.84x = 45,255,105.04
  5. Step 5: Solve for x
    x = 45,255,105.04/7,275.84
  6. Step 6: Final answer
    x = 6,219.91

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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.