Home / 7,968.56-11,948.52-2,420.24

Finding the Fourth Proportional to 7,968.56, 11,948.52 and 2,420.24

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Solution

The fourth proportional to 7,968.56, 11,948.52 and 2,420.24 is: 3,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.56 : 11,948.52 = 2,420.24 : x
  2. Step 2: Convert to fraction form
    7,968.56/11,948.52 = 2,420.24/x
  3. Step 3: Cross multiply
    7,968.56x = 11,948.52 × 2,420.24
  4. Step 4: Simplify right side
    7,968.56x = 28,918,286.04
  5. Step 5: Solve for x
    x = 28,918,286.04/7,968.56
  6. Step 6: Final answer
    x = 3,629.05

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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.