Home / 5,263.20-7,902.72-3,509.28

Finding the Fourth Proportional to 5,263.20, 7,902.72 and 3,509.28

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Solution

The fourth proportional to 5,263.20, 7,902.72 and 3,509.28 is: 5,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,902.72 = 3,509.28 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,902.72 = 3,509.28/x
  3. Step 3: Cross multiply
    5,263.20x = 7,902.72 × 3,509.28
  4. Step 4: Simplify right side
    5,263.20x = 27,732,857.24
  5. Step 5: Solve for x
    x = 27,732,857.24/5,263.20
  6. Step 6: Final answer
    x = 5,269.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.