Home / 4,947.63-7,421.31-1,249.98

Finding the Fourth Proportional to 4,947.63, 7,421.31 and 1,249.98

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Solution

The fourth proportional to 4,947.63, 7,421.31 and 1,249.98 is: 1,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.63 : 7,421.31 = 1,249.98 : x
  2. Step 2: Convert to fraction form
    4,947.63/7,421.31 = 1,249.98/x
  3. Step 3: Cross multiply
    4,947.63x = 7,421.31 × 1,249.98
  4. Step 4: Simplify right side
    4,947.63x = 9,276,489.07
  5. Step 5: Solve for x
    x = 9,276,489.07/4,947.63
  6. Step 6: Final answer
    x = 1,874.94

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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.