Home / 7,344.26-10,155.03-7,225.57

Finding the Fourth Proportional to 7,344.26, 10,155.03 and 7,225.57

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Solution

The fourth proportional to 7,344.26, 10,155.03 and 7,225.57 is: 9,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.26 : 10,155.03 = 7,225.57 : x
  2. Step 2: Convert to fraction form
    7,344.26/10,155.03 = 7,225.57/x
  3. Step 3: Cross multiply
    7,344.26x = 10,155.03 × 7,225.57
  4. Step 4: Simplify right side
    7,344.26x = 73,375,880.12
  5. Step 5: Solve for x
    x = 73,375,880.12/7,344.26
  6. Step 6: Final answer
    x = 9,990.92

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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.