Home / 6,538.92-9,807.44-2,642.40

Finding the Fourth Proportional to 6,538.92, 9,807.44 and 2,642.40

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Solution

The fourth proportional to 6,538.92, 9,807.44 and 2,642.40 is: 3,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.92 : 9,807.44 = 2,642.40 : x
  2. Step 2: Convert to fraction form
    6,538.92/9,807.44 = 2,642.40/x
  3. Step 3: Cross multiply
    6,538.92x = 9,807.44 × 2,642.40
  4. Step 4: Simplify right side
    6,538.92x = 25,915,179.46
  5. Step 5: Solve for x
    x = 25,915,179.46/6,538.92
  6. Step 6: Final answer
    x = 3,963.22

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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.