Home / 7,766.04-11,646.36-2,217.89

Finding the Fourth Proportional to 7,766.04, 11,646.36 and 2,217.89

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Solution

The fourth proportional to 7,766.04, 11,646.36 and 2,217.89 is: 3,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.04 : 11,646.36 = 2,217.89 : x
  2. Step 2: Convert to fraction form
    7,766.04/11,646.36 = 2,217.89/x
  3. Step 3: Cross multiply
    7,766.04x = 11,646.36 × 2,217.89
  4. Step 4: Simplify right side
    7,766.04x = 25,830,287.15
  5. Step 5: Solve for x
    x = 25,830,287.15/7,766.04
  6. Step 6: Final answer
    x = 3,326.06

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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.