Home / 7,101.38-10,653.62-2,103.36

Finding the Fourth Proportional to 7,101.38, 10,653.62 and 2,103.36

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Solution

The fourth proportional to 7,101.38, 10,653.62 and 2,103.36 is: 3,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.38 : 10,653.62 = 2,103.36 : x
  2. Step 2: Convert to fraction form
    7,101.38/10,653.62 = 2,103.36/x
  3. Step 3: Cross multiply
    7,101.38x = 10,653.62 × 2,103.36
  4. Step 4: Simplify right side
    7,101.38x = 22,408,398.16
  5. Step 5: Solve for x
    x = 22,408,398.16/7,101.38
  6. Step 6: Final answer
    x = 3,155.50

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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.