Home / 6,278.39-8,664.09-3,589.58

Finding the Fourth Proportional to 6,278.39, 8,664.09 and 3,589.58

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Solution

The fourth proportional to 6,278.39, 8,664.09 and 3,589.58 is: 4,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.39 : 8,664.09 = 3,589.58 : x
  2. Step 2: Convert to fraction form
    6,278.39/8,664.09 = 3,589.58/x
  3. Step 3: Cross multiply
    6,278.39x = 8,664.09 × 3,589.58
  4. Step 4: Simplify right side
    6,278.39x = 31,100,465.84
  5. Step 5: Solve for x
    x = 31,100,465.84/6,278.39
  6. Step 6: Final answer
    x = 4,953.57

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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.