Home / 6,444.72-9,666.96-3,859.20

Finding the Fourth Proportional to 6,444.72, 9,666.96 and 3,859.20

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Solution

The fourth proportional to 6,444.72, 9,666.96 and 3,859.20 is: 5,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.72 : 9,666.96 = 3,859.20 : x
  2. Step 2: Convert to fraction form
    6,444.72/9,666.96 = 3,859.20/x
  3. Step 3: Cross multiply
    6,444.72x = 9,666.96 × 3,859.20
  4. Step 4: Simplify right side
    6,444.72x = 37,306,732.03
  5. Step 5: Solve for x
    x = 37,306,732.03/6,444.72
  6. Step 6: Final answer
    x = 5,788.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.