Home / 6,560.42-9,840.49-2,177.91

Finding the Fourth Proportional to 6,560.42, 9,840.49 and 2,177.91

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Solution

The fourth proportional to 6,560.42, 9,840.49 and 2,177.91 is: 3,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.42 : 9,840.49 = 2,177.91 : x
  2. Step 2: Convert to fraction form
    6,560.42/9,840.49 = 2,177.91/x
  3. Step 3: Cross multiply
    6,560.42x = 9,840.49 × 2,177.91
  4. Step 4: Simplify right side
    6,560.42x = 21,431,696.13
  5. Step 5: Solve for x
    x = 21,431,696.13/6,560.42
  6. Step 6: Final answer
    x = 3,266.82

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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.