Home / 7,527.68-10,388.61-4,170.89

Finding the Fourth Proportional to 7,527.68, 10,388.61 and 4,170.89

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Solution

The fourth proportional to 7,527.68, 10,388.61 and 4,170.89 is: 5,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.68 : 10,388.61 = 4,170.89 : x
  2. Step 2: Convert to fraction form
    7,527.68/10,388.61 = 4,170.89/x
  3. Step 3: Cross multiply
    7,527.68x = 10,388.61 × 4,170.89
  4. Step 4: Simplify right side
    7,527.68x = 43,329,749.56
  5. Step 5: Solve for x
    x = 43,329,749.56/7,527.68
  6. Step 6: Final answer
    x = 5,756.06

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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.