Home / 5,543.71-8,311.18-2,768.85

Finding the Fourth Proportional to 5,543.71, 8,311.18 and 2,768.85

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Solution

The fourth proportional to 5,543.71, 8,311.18 and 2,768.85 is: 4,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.71 : 8,311.18 = 2,768.85 : x
  2. Step 2: Convert to fraction form
    5,543.71/8,311.18 = 2,768.85/x
  3. Step 3: Cross multiply
    5,543.71x = 8,311.18 × 2,768.85
  4. Step 4: Simplify right side
    5,543.71x = 23,012,410.74
  5. Step 5: Solve for x
    x = 23,012,410.74/5,543.71
  6. Step 6: Final answer
    x = 4,151.08

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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.