Home / 7,449.90-11,172.42-3,066.99

Finding the Fourth Proportional to 7,449.90, 11,172.42 and 3,066.99

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Solution

The fourth proportional to 7,449.90, 11,172.42 and 3,066.99 is: 4,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.90 : 11,172.42 = 3,066.99 : x
  2. Step 2: Convert to fraction form
    7,449.90/11,172.42 = 3,066.99/x
  3. Step 3: Cross multiply
    7,449.90x = 11,172.42 × 3,066.99
  4. Step 4: Simplify right side
    7,449.90x = 34,265,700.42
  5. Step 5: Solve for x
    x = 34,265,700.42/7,449.90
  6. Step 6: Final answer
    x = 4,599.48

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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.