Home / 6,520.06-9,780.08-3,616.82

Finding the Fourth Proportional to 6,520.06, 9,780.08 and 3,616.82

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Solution

The fourth proportional to 6,520.06, 9,780.08 and 3,616.82 is: 5,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.06 : 9,780.08 = 3,616.82 : x
  2. Step 2: Convert to fraction form
    6,520.06/9,780.08 = 3,616.82/x
  3. Step 3: Cross multiply
    6,520.06x = 9,780.08 × 3,616.82
  4. Step 4: Simplify right side
    6,520.06x = 35,372,758.64
  5. Step 5: Solve for x
    x = 35,372,758.64/6,520.06
  6. Step 6: Final answer
    x = 5,425.22

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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.