Home / 5,385.24-8,074.08-2,786.76

Finding the Fourth Proportional to 5,385.24, 8,074.08 and 2,786.76

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Solution

The fourth proportional to 5,385.24, 8,074.08 and 2,786.76 is: 4,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.24 : 8,074.08 = 2,786.76 : x
  2. Step 2: Convert to fraction form
    5,385.24/8,074.08 = 2,786.76/x
  3. Step 3: Cross multiply
    5,385.24x = 8,074.08 × 2,786.76
  4. Step 4: Simplify right side
    5,385.24x = 22,500,523.18
  5. Step 5: Solve for x
    x = 22,500,523.18/5,385.24
  6. Step 6: Final answer
    x = 4,178.18

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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.