Home / 4,172.96-6,259.72-1,251.56

Finding the Fourth Proportional to 4,172.96, 6,259.72 and 1,251.56

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Solution

The fourth proportional to 4,172.96, 6,259.72 and 1,251.56 is: 1,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.96 : 6,259.72 = 1,251.56 : x
  2. Step 2: Convert to fraction form
    4,172.96/6,259.72 = 1,251.56/x
  3. Step 3: Cross multiply
    4,172.96x = 6,259.72 × 1,251.56
  4. Step 4: Simplify right side
    4,172.96x = 7,834,415.16
  5. Step 5: Solve for x
    x = 7,834,415.16/4,172.96
  6. Step 6: Final answer
    x = 1,877.42

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1.5x scale

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.