Home / 5,405.09-7,458.75-3,167.17

Finding the Fourth Proportional to 5,405.09, 7,458.75 and 3,167.17

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Solution

The fourth proportional to 5,405.09, 7,458.75 and 3,167.17 is: 4,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.09 : 7,458.75 = 3,167.17 : x
  2. Step 2: Convert to fraction form
    5,405.09/7,458.75 = 3,167.17/x
  3. Step 3: Cross multiply
    5,405.09x = 7,458.75 × 3,167.17
  4. Step 4: Simplify right side
    5,405.09x = 23,623,110.59
  5. Step 5: Solve for x
    x = 23,623,110.59/5,405.09
  6. Step 6: Final answer
    x = 4,370.53

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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.