Home / 8,768.98-13,149.35-3,218.46

Finding the Fourth Proportional to 8,768.98, 13,149.35 and 3,218.46

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Solution

The fourth proportional to 8,768.98, 13,149.35 and 3,218.46 is: 4,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.98 : 13,149.35 = 3,218.46 : x
  2. Step 2: Convert to fraction form
    8,768.98/13,149.35 = 3,218.46/x
  3. Step 3: Cross multiply
    8,768.98x = 13,149.35 × 3,218.46
  4. Step 4: Simplify right side
    8,768.98x = 42,320,657.00
  5. Step 5: Solve for x
    x = 42,320,657.00/8,768.98
  6. Step 6: Final answer
    x = 4,826.18

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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.