Home / 7,527.42-11,289.06-3,144.15

Finding the Fourth Proportional to 7,527.42, 11,289.06 and 3,144.15

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Solution

The fourth proportional to 7,527.42, 11,289.06 and 3,144.15 is: 4,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.42 : 11,289.06 = 3,144.15 : x
  2. Step 2: Convert to fraction form
    7,527.42/11,289.06 = 3,144.15/x
  3. Step 3: Cross multiply
    7,527.42x = 11,289.06 × 3,144.15
  4. Step 4: Simplify right side
    7,527.42x = 35,494,498.00
  5. Step 5: Solve for x
    x = 35,494,498.00/7,527.42
  6. Step 6: Final answer
    x = 4,715.36

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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.