Home / 5,452.32-8,178.87-1,557.03

Finding the Fourth Proportional to 5,452.32, 8,178.87 and 1,557.03

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Solution

The fourth proportional to 5,452.32, 8,178.87 and 1,557.03 is: 2,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.32 : 8,178.87 = 1,557.03 : x
  2. Step 2: Convert to fraction form
    5,452.32/8,178.87 = 1,557.03/x
  3. Step 3: Cross multiply
    5,452.32x = 8,178.87 × 1,557.03
  4. Step 4: Simplify right side
    5,452.32x = 12,734,705.06
  5. Step 5: Solve for x
    x = 12,734,705.06/5,452.32
  6. Step 6: Final answer
    x = 2,335.65

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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.