Home / 5,348.70-7,378.83-3,360.42

Finding the Fourth Proportional to 5,348.70, 7,378.83 and 3,360.42

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Solution

The fourth proportional to 5,348.70, 7,378.83 and 3,360.42 is: 4,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.70 : 7,378.83 = 3,360.42 : x
  2. Step 2: Convert to fraction form
    5,348.70/7,378.83 = 3,360.42/x
  3. Step 3: Cross multiply
    5,348.70x = 7,378.83 × 3,360.42
  4. Step 4: Simplify right side
    5,348.70x = 24,795,967.91
  5. Step 5: Solve for x
    x = 24,795,967.91/5,348.70
  6. Step 6: Final answer
    x = 4,635.89

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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.