Home / 5,202.28-7,804.79-1,870.87

Finding the Fourth Proportional to 5,202.28, 7,804.79 and 1,870.87

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Solution

The fourth proportional to 5,202.28, 7,804.79 and 1,870.87 is: 2,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.28 : 7,804.79 = 1,870.87 : x
  2. Step 2: Convert to fraction form
    5,202.28/7,804.79 = 1,870.87/x
  3. Step 3: Cross multiply
    5,202.28x = 7,804.79 × 1,870.87
  4. Step 4: Simplify right side
    5,202.28x = 14,601,747.47
  5. Step 5: Solve for x
    x = 14,601,747.47/5,202.28
  6. Step 6: Final answer
    x = 2,806.80

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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.