Home / 5,223.08-7,835.08-1,936.20

Finding the Fourth Proportional to 5,223.08, 7,835.08 and 1,936.20

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Solution

The fourth proportional to 5,223.08, 7,835.08 and 1,936.20 is: 2,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.08 : 7,835.08 = 1,936.20 : x
  2. Step 2: Convert to fraction form
    5,223.08/7,835.08 = 1,936.20/x
  3. Step 3: Cross multiply
    5,223.08x = 7,835.08 × 1,936.20
  4. Step 4: Simplify right side
    5,223.08x = 15,170,281.90
  5. Step 5: Solve for x
    x = 15,170,281.90/5,223.08
  6. Step 6: Final answer
    x = 2,904.47

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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.