Home / 6,581.88-9,848.10-3,939.66

Finding the Fourth Proportional to 6,581.88, 9,848.10 and 3,939.66

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Solution

The fourth proportional to 6,581.88, 9,848.10 and 3,939.66 is: 5,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.88 : 9,848.10 = 3,939.66 : x
  2. Step 2: Convert to fraction form
    6,581.88/9,848.10 = 3,939.66/x
  3. Step 3: Cross multiply
    6,581.88x = 9,848.10 × 3,939.66
  4. Step 4: Simplify right side
    6,581.88x = 38,798,165.65
  5. Step 5: Solve for x
    x = 38,798,165.65/6,581.88
  6. Step 6: Final answer
    x = 5,894.69

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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.