Home / 5,299.20-7,309.62-3,506.70

Finding the Fourth Proportional to 5,299.20, 7,309.62 and 3,506.70

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Solution

The fourth proportional to 5,299.20, 7,309.62 and 3,506.70 is: 4,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.20 : 7,309.62 = 3,506.70 : x
  2. Step 2: Convert to fraction form
    5,299.20/7,309.62 = 3,506.70/x
  3. Step 3: Cross multiply
    5,299.20x = 7,309.62 × 3,506.70
  4. Step 4: Simplify right side
    5,299.20x = 25,632,644.45
  5. Step 5: Solve for x
    x = 25,632,644.45/5,299.20
  6. Step 6: Final answer
    x = 4,837.08

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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.