Home / 7,179.23-9,906.71-4,034.81

Finding the Fourth Proportional to 7,179.23, 9,906.71 and 4,034.81

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Solution

The fourth proportional to 7,179.23, 9,906.71 and 4,034.81 is: 5,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.23 : 9,906.71 = 4,034.81 : x
  2. Step 2: Convert to fraction form
    7,179.23/9,906.71 = 4,034.81/x
  3. Step 3: Cross multiply
    7,179.23x = 9,906.71 × 4,034.81
  4. Step 4: Simplify right side
    7,179.23x = 39,971,697.17
  5. Step 5: Solve for x
    x = 39,971,697.17/7,179.23
  6. Step 6: Final answer
    x = 5,567.68

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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.