Home / 9,780.04-14,668.70-3,205.44

Finding the Fourth Proportional to 9,780.04, 14,668.70 and 3,205.44

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Solution

The fourth proportional to 9,780.04, 14,668.70 and 3,205.44 is: 4,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.04 : 14,668.70 = 3,205.44 : x
  2. Step 2: Convert to fraction form
    9,780.04/14,668.70 = 3,205.44/x
  3. Step 3: Cross multiply
    9,780.04x = 14,668.70 × 3,205.44
  4. Step 4: Simplify right side
    9,780.04x = 47,019,637.73
  5. Step 5: Solve for x
    x = 47,019,637.73/9,780.04
  6. Step 6: Final answer
    x = 4,807.71

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1.5x scale

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.