Home / 4,187.34-6,280.84-1,265.56

Finding the Fourth Proportional to 4,187.34, 6,280.84 and 1,265.56

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Solution

The fourth proportional to 4,187.34, 6,280.84 and 1,265.56 is: 1,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.34 : 6,280.84 = 1,265.56 : x
  2. Step 2: Convert to fraction form
    4,187.34/6,280.84 = 1,265.56/x
  3. Step 3: Cross multiply
    4,187.34x = 6,280.84 × 1,265.56
  4. Step 4: Simplify right side
    4,187.34x = 7,948,779.87
  5. Step 5: Solve for x
    x = 7,948,779.87/4,187.34
  6. Step 6: Final answer
    x = 1,898.29

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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.