Home / 9,390.25-12,958.75-5,141.46

Finding the Fourth Proportional to 9,390.25, 12,958.75 and 5,141.46

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Solution

The fourth proportional to 9,390.25, 12,958.75 and 5,141.46 is: 7,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.25 : 12,958.75 = 5,141.46 : x
  2. Step 2: Convert to fraction form
    9,390.25/12,958.75 = 5,141.46/x
  3. Step 3: Cross multiply
    9,390.25x = 12,958.75 × 5,141.46
  4. Step 4: Simplify right side
    9,390.25x = 66,626,894.78
  5. Step 5: Solve for x
    x = 66,626,894.78/9,390.25
  6. Step 6: Final answer
    x = 7,095.33

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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.