Home / 5,454.19-8,181.10-1,558.59

Finding the Fourth Proportional to 5,454.19, 8,181.10 and 1,558.59

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Solution

The fourth proportional to 5,454.19, 8,181.10 and 1,558.59 is: 2,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.19 : 8,181.10 = 1,558.59 : x
  2. Step 2: Convert to fraction form
    5,454.19/8,181.10 = 1,558.59/x
  3. Step 3: Cross multiply
    5,454.19x = 8,181.10 × 1,558.59
  4. Step 4: Simplify right side
    5,454.19x = 12,750,962.14
  5. Step 5: Solve for x
    x = 12,750,962.14/5,454.19
  6. Step 6: Final answer
    x = 2,337.83

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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.