Home / 5,247.57-7,869.46-1,784.01

Finding the Fourth Proportional to 5,247.57, 7,869.46 and 1,784.01

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Solution

The fourth proportional to 5,247.57, 7,869.46 and 1,784.01 is: 2,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.57 : 7,869.46 = 1,784.01 : x
  2. Step 2: Convert to fraction form
    5,247.57/7,869.46 = 1,784.01/x
  3. Step 3: Cross multiply
    5,247.57x = 7,869.46 × 1,784.01
  4. Step 4: Simplify right side
    5,247.57x = 14,039,195.33
  5. Step 5: Solve for x
    x = 14,039,195.33/5,247.57
  6. Step 6: Final answer
    x = 2,675.37

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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.