Home / 7,535.39-10,398.68-4,178.14

Finding the Fourth Proportional to 7,535.39, 10,398.68 and 4,178.14

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Solution

The fourth proportional to 7,535.39, 10,398.68 and 4,178.14 is: 5,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.39 : 10,398.68 = 4,178.14 : x
  2. Step 2: Convert to fraction form
    7,535.39/10,398.68 = 4,178.14/x
  3. Step 3: Cross multiply
    7,535.39x = 10,398.68 × 4,178.14
  4. Step 4: Simplify right side
    7,535.39x = 43,447,093.97
  5. Step 5: Solve for x
    x = 43,447,093.97/7,535.39
  6. Step 6: Final answer
    x = 5,765.74

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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.