Home / 9,780.13-14,672.40-3,206.17

Finding the Fourth Proportional to 9,780.13, 14,672.40 and 3,206.17

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Solution

The fourth proportional to 9,780.13, 14,672.40 and 3,206.17 is: 4,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.13 : 14,672.40 = 3,206.17 : x
  2. Step 2: Convert to fraction form
    9,780.13/14,672.40 = 3,206.17/x
  3. Step 3: Cross multiply
    9,780.13x = 14,672.40 × 3,206.17
  4. Step 4: Simplify right side
    9,780.13x = 47,042,208.71
  5. Step 5: Solve for x
    x = 47,042,208.71/9,780.13
  6. Step 6: Final answer
    x = 4,809.98

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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.