Home / 7,996.47-11,987.15-3,313.59

Finding the Fourth Proportional to 7,996.47, 11,987.15 and 3,313.59

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Solution

The fourth proportional to 7,996.47, 11,987.15 and 3,313.59 is: 4,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.47 : 11,987.15 = 3,313.59 : x
  2. Step 2: Convert to fraction form
    7,996.47/11,987.15 = 3,313.59/x
  3. Step 3: Cross multiply
    7,996.47x = 11,987.15 × 3,313.59
  4. Step 4: Simplify right side
    7,996.47x = 39,720,483.80
  5. Step 5: Solve for x
    x = 39,720,483.80/7,996.47
  6. Step 6: Final answer
    x = 4,967.25

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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.