Home / 7,531.32-11,293.14-3,147.60

Finding the Fourth Proportional to 7,531.32, 11,293.14 and 3,147.60

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Solution

The fourth proportional to 7,531.32, 11,293.14 and 3,147.60 is: 4,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.32 : 11,293.14 = 3,147.60 : x
  2. Step 2: Convert to fraction form
    7,531.32/11,293.14 = 3,147.60/x
  3. Step 3: Cross multiply
    7,531.32x = 11,293.14 × 3,147.60
  4. Step 4: Simplify right side
    7,531.32x = 35,546,287.46
  5. Step 5: Solve for x
    x = 35,546,287.46/7,531.32
  6. Step 6: Final answer
    x = 4,719.80

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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.