Home / 4,260.50-6,386.67-2,179.70

Finding the Fourth Proportional to 4,260.50, 6,386.67 and 2,179.70

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Solution

The fourth proportional to 4,260.50, 6,386.67 and 2,179.70 is: 3,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.50 : 6,386.67 = 2,179.70 : x
  2. Step 2: Convert to fraction form
    4,260.50/6,386.67 = 2,179.70/x
  3. Step 3: Cross multiply
    4,260.50x = 6,386.67 × 2,179.70
  4. Step 4: Simplify right side
    4,260.50x = 13,921,024.60
  5. Step 5: Solve for x
    x = 13,921,024.60/4,260.50
  6. Step 6: Final answer
    x = 3,267.46

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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.