Home / 7,864.46-10,853.10-4,327.66

Finding the Fourth Proportional to 7,864.46, 10,853.10 and 4,327.66

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Solution

The fourth proportional to 7,864.46, 10,853.10 and 4,327.66 is: 5,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.46 : 10,853.10 = 4,327.66 : x
  2. Step 2: Convert to fraction form
    7,864.46/10,853.10 = 4,327.66/x
  3. Step 3: Cross multiply
    7,864.46x = 10,853.10 × 4,327.66
  4. Step 4: Simplify right side
    7,864.46x = 46,968,540.31
  5. Step 5: Solve for x
    x = 46,968,540.31/7,864.46
  6. Step 6: Final answer
    x = 5,972.25

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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.