Home / 4,172.51-6,259.78-1,250.79

Finding the Fourth Proportional to 4,172.51, 6,259.78 and 1,250.79

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Solution

The fourth proportional to 4,172.51, 6,259.78 and 1,250.79 is: 1,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.51 : 6,259.78 = 1,250.79 : x
  2. Step 2: Convert to fraction form
    4,172.51/6,259.78 = 1,250.79/x
  3. Step 3: Cross multiply
    4,172.51x = 6,259.78 × 1,250.79
  4. Step 4: Simplify right side
    4,172.51x = 7,829,667.10
  5. Step 5: Solve for x
    x = 7,829,667.10/4,172.51
  6. Step 6: Final answer
    x = 1,876.49

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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.