Home / 9,818.76-14,722.38-4,629

Finding the Fourth Proportional to 9,818.76, 14,722.38 and 4,629

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Solution

The fourth proportional to 9,818.76, 14,722.38 and 4,629 is: 6,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.76 : 14,722.38 = 4,629 : x
  2. Step 2: Convert to fraction form
    9,818.76/14,722.38 = 4,629/x
  3. Step 3: Cross multiply
    9,818.76x = 14,722.38 × 4,629
  4. Step 4: Simplify right side
    9,818.76x = 68,149,897.02
  5. Step 5: Solve for x
    x = 68,149,897.02/9,818.76
  6. Step 6: Final answer
    x = 6,940.78

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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.