Home / 5,423.62-7,485.45-3,299.82

Finding the Fourth Proportional to 5,423.62, 7,485.45 and 3,299.82

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Solution

The fourth proportional to 5,423.62, 7,485.45 and 3,299.82 is: 4,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.62 : 7,485.45 = 3,299.82 : x
  2. Step 2: Convert to fraction form
    5,423.62/7,485.45 = 3,299.82/x
  3. Step 3: Cross multiply
    5,423.62x = 7,485.45 × 3,299.82
  4. Step 4: Simplify right side
    5,423.62x = 24,700,637.62
  5. Step 5: Solve for x
    x = 24,700,637.62/5,423.62
  6. Step 6: Final answer
    x = 4,554.27

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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.