Home / 7,486.27-10,331.56-4,129.09

Finding the Fourth Proportional to 7,486.27, 10,331.56 and 4,129.09

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Solution

The fourth proportional to 7,486.27, 10,331.56 and 4,129.09 is: 5,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.27 : 10,331.56 = 4,129.09 : x
  2. Step 2: Convert to fraction form
    7,486.27/10,331.56 = 4,129.09/x
  3. Step 3: Cross multiply
    7,486.27x = 10,331.56 × 4,129.09
  4. Step 4: Simplify right side
    7,486.27x = 42,659,941.08
  5. Step 5: Solve for x
    x = 42,659,941.08/7,486.27
  6. Step 6: Final answer
    x = 5,698.42

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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.