Home / 4,918.88-6,788.16-2,680.76

Finding the Fourth Proportional to 4,918.88, 6,788.16 and 2,680.76

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Solution

The fourth proportional to 4,918.88, 6,788.16 and 2,680.76 is: 3,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.88 : 6,788.16 = 2,680.76 : x
  2. Step 2: Convert to fraction form
    4,918.88/6,788.16 = 2,680.76/x
  3. Step 3: Cross multiply
    4,918.88x = 6,788.16 × 2,680.76
  4. Step 4: Simplify right side
    4,918.88x = 18,197,427.80
  5. Step 5: Solve for x
    x = 18,197,427.80/4,918.88
  6. Step 6: Final answer
    x = 3,699.51

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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.