Home / 7,864.56-10,853.20-4,327.76

Finding the Fourth Proportional to 7,864.56, 10,853.20 and 4,327.76

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Solution

The fourth proportional to 7,864.56, 10,853.20 and 4,327.76 is: 5,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.56 : 10,853.20 = 4,327.76 : x
  2. Step 2: Convert to fraction form
    7,864.56/10,853.20 = 4,327.76/x
  3. Step 3: Cross multiply
    7,864.56x = 10,853.20 × 4,327.76
  4. Step 4: Simplify right side
    7,864.56x = 46,970,044.83
  5. Step 5: Solve for x
    x = 46,970,044.83/7,864.56
  6. Step 6: Final answer
    x = 5,972.37

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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.