Home / 4,178.47-5,763.49-2,688.26

Finding the Fourth Proportional to 4,178.47, 5,763.49 and 2,688.26

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Solution

The fourth proportional to 4,178.47, 5,763.49 and 2,688.26 is: 3,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.47 : 5,763.49 = 2,688.26 : x
  2. Step 2: Convert to fraction form
    4,178.47/5,763.49 = 2,688.26/x
  3. Step 3: Cross multiply
    4,178.47x = 5,763.49 × 2,688.26
  4. Step 4: Simplify right side
    4,178.47x = 15,493,759.63
  5. Step 5: Solve for x
    x = 15,493,759.63/4,178.47
  6. Step 6: Final answer
    x = 3,708.00

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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.