Home / 7,767.04-11,647.86-2,218.89

Finding the Fourth Proportional to 7,767.04, 11,647.86 and 2,218.89

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Solution

The fourth proportional to 7,767.04, 11,647.86 and 2,218.89 is: 3,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.04 : 11,647.86 = 2,218.89 : x
  2. Step 2: Convert to fraction form
    7,767.04/11,647.86 = 2,218.89/x
  3. Step 3: Cross multiply
    7,767.04x = 11,647.86 × 2,218.89
  4. Step 4: Simplify right side
    7,767.04x = 25,845,320.08
  5. Step 5: Solve for x
    x = 25,845,320.08/7,767.04
  6. Step 6: Final answer
    x = 3,327.56

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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.