Home / 7,854.48-11,781.66-2,011.08

Finding the Fourth Proportional to 7,854.48, 11,781.66 and 2,011.08

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Solution

The fourth proportional to 7,854.48, 11,781.66 and 2,011.08 is: 3,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.48 : 11,781.66 = 2,011.08 : x
  2. Step 2: Convert to fraction form
    7,854.48/11,781.66 = 2,011.08/x
  3. Step 3: Cross multiply
    7,854.48x = 11,781.66 × 2,011.08
  4. Step 4: Simplify right side
    7,854.48x = 23,693,860.79
  5. Step 5: Solve for x
    x = 23,693,860.79/7,854.48
  6. Step 6: Final answer
    x = 3,016.60

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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.