Home / 5,188.06-7,158.90-2,949.94

Finding the Fourth Proportional to 5,188.06, 7,158.90 and 2,949.94

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Solution

The fourth proportional to 5,188.06, 7,158.90 and 2,949.94 is: 4,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.06 : 7,158.90 = 2,949.94 : x
  2. Step 2: Convert to fraction form
    5,188.06/7,158.90 = 2,949.94/x
  3. Step 3: Cross multiply
    5,188.06x = 7,158.90 × 2,949.94
  4. Step 4: Simplify right side
    5,188.06x = 21,118,325.47
  5. Step 5: Solve for x
    x = 21,118,325.47/5,188.06
  6. Step 6: Final answer
    x = 4,070.56

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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.