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Finding the Fourth Proportional to 7,255.76, 10,868.28 and 6,020.24

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Solution

The fourth proportional to 7,255.76, 10,868.28 and 6,020.24 is: 9,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.76 : 10,868.28 = 6,020.24 : x
  2. Step 2: Convert to fraction form
    7,255.76/10,868.28 = 6,020.24/x
  3. Step 3: Cross multiply
    7,255.76x = 10,868.28 × 6,020.24
  4. Step 4: Simplify right side
    7,255.76x = 65,429,653.99
  5. Step 5: Solve for x
    x = 65,429,653.99/7,255.76
  6. Step 6: Final answer
    x = 9,017.62

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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.