Home / 4,452.60-6,679.62-1,987.36

Finding the Fourth Proportional to 4,452.60, 6,679.62 and 1,987.36

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Solution

The fourth proportional to 4,452.60, 6,679.62 and 1,987.36 is: 2,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.60 : 6,679.62 = 1,987.36 : x
  2. Step 2: Convert to fraction form
    4,452.60/6,679.62 = 1,987.36/x
  3. Step 3: Cross multiply
    4,452.60x = 6,679.62 × 1,987.36
  4. Step 4: Simplify right side
    4,452.60x = 13,274,809.60
  5. Step 5: Solve for x
    x = 13,274,809.60/4,452.60
  6. Step 6: Final answer
    x = 2,981.36

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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.