Home / 4,927.74-6,800.25-2,689.57

Finding the Fourth Proportional to 4,927.74, 6,800.25 and 2,689.57

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Solution

The fourth proportional to 4,927.74, 6,800.25 and 2,689.57 is: 3,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.74 : 6,800.25 = 2,689.57 : x
  2. Step 2: Convert to fraction form
    4,927.74/6,800.25 = 2,689.57/x
  3. Step 3: Cross multiply
    4,927.74x = 6,800.25 × 2,689.57
  4. Step 4: Simplify right side
    4,927.74x = 18,289,748.39
  5. Step 5: Solve for x
    x = 18,289,748.39/4,927.74
  6. Step 6: Final answer
    x = 3,711.59

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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.