Home / 7,988.86-11,983.29-3,060.01

Finding the Fourth Proportional to 7,988.86, 11,983.29 and 3,060.01

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Solution

The fourth proportional to 7,988.86, 11,983.29 and 3,060.01 is: 4,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.86 : 11,983.29 = 3,060.01 : x
  2. Step 2: Convert to fraction form
    7,988.86/11,983.29 = 3,060.01/x
  3. Step 3: Cross multiply
    7,988.86x = 11,983.29 × 3,060.01
  4. Step 4: Simplify right side
    7,988.86x = 36,668,987.23
  5. Step 5: Solve for x
    x = 36,668,987.23/7,988.86
  6. Step 6: Final answer
    x = 4,590.02

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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.