Home / 6,538.16-9,807.70-2,642.52

Finding the Fourth Proportional to 6,538.16, 9,807.70 and 2,642.52

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Solution

The fourth proportional to 6,538.16, 9,807.70 and 2,642.52 is: 3,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.16 : 9,807.70 = 2,642.52 : x
  2. Step 2: Convert to fraction form
    6,538.16/9,807.70 = 2,642.52/x
  3. Step 3: Cross multiply
    6,538.16x = 9,807.70 × 2,642.52
  4. Step 4: Simplify right side
    6,538.16x = 25,917,043.40
  5. Step 5: Solve for x
    x = 25,917,043.40/6,538.16
  6. Step 6: Final answer
    x = 3,963.97

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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.