Home / 7,326.82-10,110.18-4,139.74

Finding the Fourth Proportional to 7,326.82, 10,110.18 and 4,139.74

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Solution

The fourth proportional to 7,326.82, 10,110.18 and 4,139.74 is: 5,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.82 : 10,110.18 = 4,139.74 : x
  2. Step 2: Convert to fraction form
    7,326.82/10,110.18 = 4,139.74/x
  3. Step 3: Cross multiply
    7,326.82x = 10,110.18 × 4,139.74
  4. Step 4: Simplify right side
    7,326.82x = 41,853,516.55
  5. Step 5: Solve for x
    x = 41,853,516.55/7,326.82
  6. Step 6: Final answer
    x = 5,712.37

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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.