Home / 5,454.46-8,181.69-1,558.63

Finding the Fourth Proportional to 5,454.46, 8,181.69 and 1,558.63

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Solution

The fourth proportional to 5,454.46, 8,181.69 and 1,558.63 is: 2,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.46 : 8,181.69 = 1,558.63 : x
  2. Step 2: Convert to fraction form
    5,454.46/8,181.69 = 1,558.63/x
  3. Step 3: Cross multiply
    5,454.46x = 8,181.69 × 1,558.63
  4. Step 4: Simplify right side
    5,454.46x = 12,752,227.48
  5. Step 5: Solve for x
    x = 12,752,227.48/5,454.46
  6. Step 6: Final answer
    x = 2,337.95

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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.