Home / 7,490.38-10,335.15-4,304.65

Finding the Fourth Proportional to 7,490.38, 10,335.15 and 4,304.65

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Solution

The fourth proportional to 7,490.38, 10,335.15 and 4,304.65 is: 5,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.38 : 10,335.15 = 4,304.65 : x
  2. Step 2: Convert to fraction form
    7,490.38/10,335.15 = 4,304.65/x
  3. Step 3: Cross multiply
    7,490.38x = 10,335.15 × 4,304.65
  4. Step 4: Simplify right side
    7,490.38x = 44,489,203.45
  5. Step 5: Solve for x
    x = 44,489,203.45/7,490.38
  6. Step 6: Final answer
    x = 5,939.51

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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.