Home / 7,522.01-11,284.06-3,138.46

Finding the Fourth Proportional to 7,522.01, 11,284.06 and 3,138.46

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Solution

The fourth proportional to 7,522.01, 11,284.06 and 3,138.46 is: 4,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.01 : 11,284.06 = 3,138.46 : x
  2. Step 2: Convert to fraction form
    7,522.01/11,284.06 = 3,138.46/x
  3. Step 3: Cross multiply
    7,522.01x = 11,284.06 × 3,138.46
  4. Step 4: Simplify right side
    7,522.01x = 35,414,534.89
  5. Step 5: Solve for x
    x = 35,414,534.89/7,522.01
  6. Step 6: Final answer
    x = 4,708.12

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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.