Home / 4,259.45-5,876.31-2,686.63

Finding the Fourth Proportional to 4,259.45, 5,876.31 and 2,686.63

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Solution

The fourth proportional to 4,259.45, 5,876.31 and 2,686.63 is: 3,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.45 : 5,876.31 = 2,686.63 : x
  2. Step 2: Convert to fraction form
    4,259.45/5,876.31 = 2,686.63/x
  3. Step 3: Cross multiply
    4,259.45x = 5,876.31 × 2,686.63
  4. Step 4: Simplify right side
    4,259.45x = 15,787,470.74
  5. Step 5: Solve for x
    x = 15,787,470.74/4,259.45
  6. Step 6: Final answer
    x = 3,706.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.