Home / 5,454.08-8,181.20-1,558.49

Finding the Fourth Proportional to 5,454.08, 8,181.20 and 1,558.49

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Solution

The fourth proportional to 5,454.08, 8,181.20 and 1,558.49 is: 2,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.08 : 8,181.20 = 1,558.49 : x
  2. Step 2: Convert to fraction form
    5,454.08/8,181.20 = 1,558.49/x
  3. Step 3: Cross multiply
    5,454.08x = 8,181.20 × 1,558.49
  4. Step 4: Simplify right side
    5,454.08x = 12,750,269.69
  5. Step 5: Solve for x
    x = 12,750,269.69/5,454.08
  6. Step 6: Final answer
    x = 2,337.75

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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.