Home / 7,321.60-10,987.52-2,708.48

Finding the Fourth Proportional to 7,321.60, 10,987.52 and 2,708.48

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Solution

The fourth proportional to 7,321.60, 10,987.52 and 2,708.48 is: 4,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.60 : 10,987.52 = 2,708.48 : x
  2. Step 2: Convert to fraction form
    7,321.60/10,987.52 = 2,708.48/x
  3. Step 3: Cross multiply
    7,321.60x = 10,987.52 × 2,708.48
  4. Step 4: Simplify right side
    7,321.60x = 29,759,478.17
  5. Step 5: Solve for x
    x = 29,759,478.17/7,321.60
  6. Step 6: Final answer
    x = 4,064.61

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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.