Home / 7,527.47-11,289.39-3,142.55

Finding the Fourth Proportional to 7,527.47, 11,289.39 and 3,142.55

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Solution

The fourth proportional to 7,527.47, 11,289.39 and 3,142.55 is: 4,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.47 : 11,289.39 = 3,142.55 : x
  2. Step 2: Convert to fraction form
    7,527.47/11,289.39 = 3,142.55/x
  3. Step 3: Cross multiply
    7,527.47x = 11,289.39 × 3,142.55
  4. Step 4: Simplify right side
    7,527.47x = 35,477,472.54
  5. Step 5: Solve for x
    x = 35,477,472.54/7,527.47
  6. Step 6: Final answer
    x = 4,713.07

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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.