Home / 9,780.84-14,664.77-3,540.04

Finding the Fourth Proportional to 9,780.84, 14,664.77 and 3,540.04

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Solution

The fourth proportional to 9,780.84, 14,664.77 and 3,540.04 is: 5,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.84 : 14,664.77 = 3,540.04 : x
  2. Step 2: Convert to fraction form
    9,780.84/14,664.77 = 3,540.04/x
  3. Step 3: Cross multiply
    9,780.84x = 14,664.77 × 3,540.04
  4. Step 4: Simplify right side
    9,780.84x = 51,913,799.07
  5. Step 5: Solve for x
    x = 51,913,799.07/9,780.84
  6. Step 6: Final answer
    x = 5,307.70

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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.