Home / 9,769.88-14,658.92-4,220.37

Finding the Fourth Proportional to 9,769.88, 14,658.92 and 4,220.37

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Solution

The fourth proportional to 9,769.88, 14,658.92 and 4,220.37 is: 6,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.88 : 14,658.92 = 4,220.37 : x
  2. Step 2: Convert to fraction form
    9,769.88/14,658.92 = 4,220.37/x
  3. Step 3: Cross multiply
    9,769.88x = 14,658.92 × 4,220.37
  4. Step 4: Simplify right side
    9,769.88x = 61,865,971.80
  5. Step 5: Solve for x
    x = 61,865,971.80/9,769.88
  6. Step 6: Final answer
    x = 6,332.32

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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.