Home / 4,987.68-6,883.84-2,998.32

Finding the Fourth Proportional to 4,987.68, 6,883.84 and 2,998.32

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Solution

The fourth proportional to 4,987.68, 6,883.84 and 2,998.32 is: 4,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.68 : 6,883.84 = 2,998.32 : x
  2. Step 2: Convert to fraction form
    4,987.68/6,883.84 = 2,998.32/x
  3. Step 3: Cross multiply
    4,987.68x = 6,883.84 × 2,998.32
  4. Step 4: Simplify right side
    4,987.68x = 20,639,916.22
  5. Step 5: Solve for x
    x = 20,639,916.22/4,987.68
  6. Step 6: Final answer
    x = 4,138.18

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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.