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Finding the Fourth Proportional to 7,288.88, 10,894.68 and 6,344.52

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Solution

The fourth proportional to 7,288.88, 10,894.68 and 6,344.52 is: 9,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.88 : 10,894.68 = 6,344.52 : x
  2. Step 2: Convert to fraction form
    7,288.88/10,894.68 = 6,344.52/x
  3. Step 3: Cross multiply
    7,288.88x = 10,894.68 × 6,344.52
  4. Step 4: Simplify right side
    7,288.88x = 69,121,515.15
  5. Step 5: Solve for x
    x = 69,121,515.15/7,288.88
  6. Step 6: Final answer
    x = 9,483.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.