Home / 7,780.04-10,736.45-4,243.27

Finding the Fourth Proportional to 7,780.04, 10,736.45 and 4,243.27

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Solution

The fourth proportional to 7,780.04, 10,736.45 and 4,243.27 is: 5,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.04 : 10,736.45 = 4,243.27 : x
  2. Step 2: Convert to fraction form
    7,780.04/10,736.45 = 4,243.27/x
  3. Step 3: Cross multiply
    7,780.04x = 10,736.45 × 4,243.27
  4. Step 4: Simplify right side
    7,780.04x = 45,557,608.13
  5. Step 5: Solve for x
    x = 45,557,608.13/7,780.04
  6. Step 6: Final answer
    x = 5,855.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.