Home / 5,455.76-7,527.05-3,217.16

Finding the Fourth Proportional to 5,455.76, 7,527.05 and 3,217.16

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Solution

The fourth proportional to 5,455.76, 7,527.05 and 3,217.16 is: 4,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.76 : 7,527.05 = 3,217.16 : x
  2. Step 2: Convert to fraction form
    5,455.76/7,527.05 = 3,217.16/x
  3. Step 3: Cross multiply
    5,455.76x = 7,527.05 × 3,217.16
  4. Step 4: Simplify right side
    5,455.76x = 24,215,670.46
  5. Step 5: Solve for x
    x = 24,215,670.46/5,455.76
  6. Step 6: Final answer
    x = 4,438.56

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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.