Home / 6,721.10-10,081.64-2,338.55

Finding the Fourth Proportional to 6,721.10, 10,081.64 and 2,338.55

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Solution

The fourth proportional to 6,721.10, 10,081.64 and 2,338.55 is: 3,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.10 : 10,081.64 = 2,338.55 : x
  2. Step 2: Convert to fraction form
    6,721.10/10,081.64 = 2,338.55/x
  3. Step 3: Cross multiply
    6,721.10x = 10,081.64 × 2,338.55
  4. Step 4: Simplify right side
    6,721.10x = 23,576,419.22
  5. Step 5: Solve for x
    x = 23,576,419.22/6,721.10
  6. Step 6: Final answer
    x = 3,507.82

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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.