Home / 9,101.17-12,558.26-5,122.05

Finding the Fourth Proportional to 9,101.17, 12,558.26 and 5,122.05

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Solution

The fourth proportional to 9,101.17, 12,558.26 and 5,122.05 is: 7,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.17 : 12,558.26 = 5,122.05 : x
  2. Step 2: Convert to fraction form
    9,101.17/12,558.26 = 5,122.05/x
  3. Step 3: Cross multiply
    9,101.17x = 12,558.26 × 5,122.05
  4. Step 4: Simplify right side
    9,101.17x = 64,323,972.84
  5. Step 5: Solve for x
    x = 64,323,972.84/9,101.17
  6. Step 6: Final answer
    x = 7,067.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.