Home / 6,864.66-9,473.28-3,720.85

Finding the Fourth Proportional to 6,864.66, 9,473.28 and 3,720.85

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Solution

The fourth proportional to 6,864.66, 9,473.28 and 3,720.85 is: 5,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.66 : 9,473.28 = 3,720.85 : x
  2. Step 2: Convert to fraction form
    6,864.66/9,473.28 = 3,720.85/x
  3. Step 3: Cross multiply
    6,864.66x = 9,473.28 × 3,720.85
  4. Step 4: Simplify right side
    6,864.66x = 35,248,606.52
  5. Step 5: Solve for x
    x = 35,248,606.52/6,864.66
  6. Step 6: Final answer
    x = 5,134.79

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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.