Home / 5,423.75-7,484.78-3,299.09

Finding the Fourth Proportional to 5,423.75, 7,484.78 and 3,299.09

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Solution

The fourth proportional to 5,423.75, 7,484.78 and 3,299.09 is: 4,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.75 : 7,484.78 = 3,299.09 : x
  2. Step 2: Convert to fraction form
    5,423.75/7,484.78 = 3,299.09/x
  3. Step 3: Cross multiply
    5,423.75x = 7,484.78 × 3,299.09
  4. Step 4: Simplify right side
    5,423.75x = 24,692,961.74
  5. Step 5: Solve for x
    x = 24,692,961.74/5,423.75
  6. Step 6: Final answer
    x = 4,552.74

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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.