Home / 7,986.12-11,968.54-4,237.11

Finding the Fourth Proportional to 7,986.12, 11,968.54 and 4,237.11

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Solution

The fourth proportional to 7,986.12, 11,968.54 and 4,237.11 is: 6,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.12 : 11,968.54 = 4,237.11 : x
  2. Step 2: Convert to fraction form
    7,986.12/11,968.54 = 4,237.11/x
  3. Step 3: Cross multiply
    7,986.12x = 11,968.54 × 4,237.11
  4. Step 4: Simplify right side
    7,986.12x = 50,712,020.52
  5. Step 5: Solve for x
    x = 50,712,020.52/7,986.12
  6. Step 6: Final answer
    x = 6,350.02

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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.