Home / 7,618.40-11,422.23-2,934.48

Finding the Fourth Proportional to 7,618.40, 11,422.23 and 2,934.48

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Solution

The fourth proportional to 7,618.40, 11,422.23 and 2,934.48 is: 4,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.40 : 11,422.23 = 2,934.48 : x
  2. Step 2: Convert to fraction form
    7,618.40/11,422.23 = 2,934.48/x
  3. Step 3: Cross multiply
    7,618.40x = 11,422.23 × 2,934.48
  4. Step 4: Simplify right side
    7,618.40x = 33,518,305.49
  5. Step 5: Solve for x
    x = 33,518,305.49/7,618.40
  6. Step 6: Final answer
    x = 4,399.65

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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.