Home / 5,455.79-7,529.97-3,217.53

Finding the Fourth Proportional to 5,455.79, 7,529.97 and 3,217.53

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Solution

The fourth proportional to 5,455.79, 7,529.97 and 3,217.53 is: 4,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.79 : 7,529.97 = 3,217.53 : x
  2. Step 2: Convert to fraction form
    5,455.79/7,529.97 = 3,217.53/x
  3. Step 3: Cross multiply
    5,455.79x = 7,529.97 × 3,217.53
  4. Step 4: Simplify right side
    5,455.79x = 24,227,888.29
  5. Step 5: Solve for x
    x = 24,227,888.29/5,455.79
  6. Step 6: Final answer
    x = 4,440.77

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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.