Home / 4,247.80-6,374.10-1,650.40

Finding the Fourth Proportional to 4,247.80, 6,374.10 and 1,650.40

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Solution

The fourth proportional to 4,247.80, 6,374.10 and 1,650.40 is: 2,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.80 : 6,374.10 = 1,650.40 : x
  2. Step 2: Convert to fraction form
    4,247.80/6,374.10 = 1,650.40/x
  3. Step 3: Cross multiply
    4,247.80x = 6,374.10 × 1,650.40
  4. Step 4: Simplify right side
    4,247.80x = 10,519,814.64
  5. Step 5: Solve for x
    x = 10,519,814.64/4,247.80
  6. Step 6: Final answer
    x = 2,476.53

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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.