Home / 4,987.94-6,881.66-3,098.86

Finding the Fourth Proportional to 4,987.94, 6,881.66 and 3,098.86

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Solution

The fourth proportional to 4,987.94, 6,881.66 and 3,098.86 is: 4,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.94 : 6,881.66 = 3,098.86 : x
  2. Step 2: Convert to fraction form
    4,987.94/6,881.66 = 3,098.86/x
  3. Step 3: Cross multiply
    4,987.94x = 6,881.66 × 3,098.86
  4. Step 4: Simplify right side
    4,987.94x = 21,325,300.91
  5. Step 5: Solve for x
    x = 21,325,300.91/4,987.94
  6. Step 6: Final answer
    x = 4,275.37

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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.