Home / 6,864.48-9,472.97-3,720.67

Finding the Fourth Proportional to 6,864.48, 9,472.97 and 3,720.67

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Solution

The fourth proportional to 6,864.48, 9,472.97 and 3,720.67 is: 5,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.48 : 9,472.97 = 3,720.67 : x
  2. Step 2: Convert to fraction form
    6,864.48/9,472.97 = 3,720.67/x
  3. Step 3: Cross multiply
    6,864.48x = 9,472.97 × 3,720.67
  4. Step 4: Simplify right side
    6,864.48x = 35,245,780.91
  5. Step 5: Solve for x
    x = 35,245,780.91/6,864.48
  6. Step 6: Final answer
    x = 5,134.52

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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.