Home / 9,781.22-14,663.06-3,539.77

Finding the Fourth Proportional to 9,781.22, 14,663.06 and 3,539.77

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Solution

The fourth proportional to 9,781.22, 14,663.06 and 3,539.77 is: 5,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.22 : 14,663.06 = 3,539.77 : x
  2. Step 2: Convert to fraction form
    9,781.22/14,663.06 = 3,539.77/x
  3. Step 3: Cross multiply
    9,781.22x = 14,663.06 × 3,539.77
  4. Step 4: Simplify right side
    9,781.22x = 51,903,818.81
  5. Step 5: Solve for x
    x = 51,903,818.81/9,781.22
  6. Step 6: Final answer
    x = 5,306.48

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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.