Home / 6,864.64-9,473.18-3,720.83

Finding the Fourth Proportional to 6,864.64, 9,473.18 and 3,720.83

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Solution

The fourth proportional to 6,864.64, 9,473.18 and 3,720.83 is: 5,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.64 : 9,473.18 = 3,720.83 : x
  2. Step 2: Convert to fraction form
    6,864.64/9,473.18 = 3,720.83/x
  3. Step 3: Cross multiply
    6,864.64x = 9,473.18 × 3,720.83
  4. Step 4: Simplify right side
    6,864.64x = 35,248,073.74
  5. Step 5: Solve for x
    x = 35,248,073.74/6,864.64
  6. Step 6: Final answer
    x = 5,134.73

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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.