Home / 7,275.27-10,904.28-3,320.46

Finding the Fourth Proportional to 7,275.27, 10,904.28 and 3,320.46

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Solution

The fourth proportional to 7,275.27, 10,904.28 and 3,320.46 is: 4,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.27 : 10,904.28 = 3,320.46 : x
  2. Step 2: Convert to fraction form
    7,275.27/10,904.28 = 3,320.46/x
  3. Step 3: Cross multiply
    7,275.27x = 10,904.28 × 3,320.46
  4. Step 4: Simplify right side
    7,275.27x = 36,207,225.57
  5. Step 5: Solve for x
    x = 36,207,225.57/7,275.27
  6. Step 6: Final answer
    x = 4,976.75

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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.