Home / 7,394.68-11,085.54-2,780.92

Finding the Fourth Proportional to 7,394.68, 11,085.54 and 2,780.92

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Solution

The fourth proportional to 7,394.68, 11,085.54 and 2,780.92 is: 4,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.68 : 11,085.54 = 2,780.92 : x
  2. Step 2: Convert to fraction form
    7,394.68/11,085.54 = 2,780.92/x
  3. Step 3: Cross multiply
    7,394.68x = 11,085.54 × 2,780.92
  4. Step 4: Simplify right side
    7,394.68x = 30,827,961.75
  5. Step 5: Solve for x
    x = 30,827,961.75/7,394.68
  6. Step 6: Final answer
    x = 4,168.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.