Home / 7,255.18-10,868.19-3,785.14

Finding the Fourth Proportional to 7,255.18, 10,868.19 and 3,785.14

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Solution

The fourth proportional to 7,255.18, 10,868.19 and 3,785.14 is: 5,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.18 : 10,868.19 = 3,785.14 : x
  2. Step 2: Convert to fraction form
    7,255.18/10,868.19 = 3,785.14/x
  3. Step 3: Cross multiply
    7,255.18x = 10,868.19 × 3,785.14
  4. Step 4: Simplify right side
    7,255.18x = 41,137,620.70
  5. Step 5: Solve for x
    x = 41,137,620.70/7,255.18
  6. Step 6: Final answer
    x = 5,670.10

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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.