Home / 6,864.76-9,473.11-3,720.88

Finding the Fourth Proportional to 6,864.76, 9,473.11 and 3,720.88

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Solution

The fourth proportional to 6,864.76, 9,473.11 and 3,720.88 is: 5,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.76 : 9,473.11 = 3,720.88 : x
  2. Step 2: Convert to fraction form
    6,864.76/9,473.11 = 3,720.88/x
  3. Step 3: Cross multiply
    6,864.76x = 9,473.11 × 3,720.88
  4. Step 4: Simplify right side
    6,864.76x = 35,248,305.54
  5. Step 5: Solve for x
    x = 35,248,305.54/6,864.76
  6. Step 6: Final answer
    x = 5,134.67

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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.