Home / 7,527.71-10,388.62-4,170.89

Finding the Fourth Proportional to 7,527.71, 10,388.62 and 4,170.89

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Solution

The fourth proportional to 7,527.71, 10,388.62 and 4,170.89 is: 5,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.71 : 10,388.62 = 4,170.89 : x
  2. Step 2: Convert to fraction form
    7,527.71/10,388.62 = 4,170.89/x
  3. Step 3: Cross multiply
    7,527.71x = 10,388.62 × 4,170.89
  4. Step 4: Simplify right side
    7,527.71x = 43,329,791.27
  5. Step 5: Solve for x
    x = 43,329,791.27/7,527.71
  6. Step 6: Final answer
    x = 5,756.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.