Home / 5,447.60-8,172.60-2,525.20

Finding the Fourth Proportional to 5,447.60, 8,172.60 and 2,525.20

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Solution

The fourth proportional to 5,447.60, 8,172.60 and 2,525.20 is: 3,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.60 : 8,172.60 = 2,525.20 : x
  2. Step 2: Convert to fraction form
    5,447.60/8,172.60 = 2,525.20/x
  3. Step 3: Cross multiply
    5,447.60x = 8,172.60 × 2,525.20
  4. Step 4: Simplify right side
    5,447.60x = 20,637,449.52
  5. Step 5: Solve for x
    x = 20,637,449.52/5,447.60
  6. Step 6: Final answer
    x = 3,788.36

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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.