Home / 9,781.24-14,670.30-3,207.40

Finding the Fourth Proportional to 9,781.24, 14,670.30 and 3,207.40

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Solution

The fourth proportional to 9,781.24, 14,670.30 and 3,207.40 is: 4,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.24 : 14,670.30 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    9,781.24/14,670.30 = 3,207.40/x
  3. Step 3: Cross multiply
    9,781.24x = 14,670.30 × 3,207.40
  4. Step 4: Simplify right side
    9,781.24x = 47,053,520.22
  5. Step 5: Solve for x
    x = 47,053,520.22/9,781.24
  6. Step 6: Final answer
    x = 4,810.59

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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.