Home / 4,988.07-6,881.22-3,194.70

Finding the Fourth Proportional to 4,988.07, 6,881.22 and 3,194.70

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Solution

The fourth proportional to 4,988.07, 6,881.22 and 3,194.70 is: 4,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.07 : 6,881.22 = 3,194.70 : x
  2. Step 2: Convert to fraction form
    4,988.07/6,881.22 = 3,194.70/x
  3. Step 3: Cross multiply
    4,988.07x = 6,881.22 × 3,194.70
  4. Step 4: Simplify right side
    4,988.07x = 21,983,433.53
  5. Step 5: Solve for x
    x = 21,983,433.53/4,988.07
  6. Step 6: Final answer
    x = 4,407.20

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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.