Home / 5,447.60-8,172.80-1,552.08

Finding the Fourth Proportional to 5,447.60, 8,172.80 and 1,552.08

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Solution

The fourth proportional to 5,447.60, 8,172.80 and 1,552.08 is: 2,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.60 : 8,172.80 = 1,552.08 : x
  2. Step 2: Convert to fraction form
    5,447.60/8,172.80 = 1,552.08/x
  3. Step 3: Cross multiply
    5,447.60x = 8,172.80 × 1,552.08
  4. Step 4: Simplify right side
    5,447.60x = 12,684,839.42
  5. Step 5: Solve for x
    x = 12,684,839.42/5,447.60
  6. Step 6: Final answer
    x = 2,328.52

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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.