Home / 7,444.88-11,172.72-3,065.12

Finding the Fourth Proportional to 7,444.88, 11,172.72 and 3,065.12

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Solution

The fourth proportional to 7,444.88, 11,172.72 and 3,065.12 is: 4,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.88 : 11,172.72 = 3,065.12 : x
  2. Step 2: Convert to fraction form
    7,444.88/11,172.72 = 3,065.12/x
  3. Step 3: Cross multiply
    7,444.88x = 11,172.72 × 3,065.12
  4. Step 4: Simplify right side
    7,444.88x = 34,245,727.53
  5. Step 5: Solve for x
    x = 34,245,727.53/7,444.88
  6. Step 6: Final answer
    x = 4,599.90

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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.