Home / 7,987.61-11,970.48-5,067.97

Finding the Fourth Proportional to 7,987.61, 11,970.48 and 5,067.97

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Solution

The fourth proportional to 7,987.61, 11,970.48 and 5,067.97 is: 7,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.61 : 11,970.48 = 5,067.97 : x
  2. Step 2: Convert to fraction form
    7,987.61/11,970.48 = 5,067.97/x
  3. Step 3: Cross multiply
    7,987.61x = 11,970.48 × 5,067.97
  4. Step 4: Simplify right side
    7,987.61x = 60,666,022.60
  5. Step 5: Solve for x
    x = 60,666,022.60/7,987.61
  6. Step 6: Final answer
    x = 7,595.01

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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.