Home / 4,979.53-6,870.99-2,883.25

Finding the Fourth Proportional to 4,979.53, 6,870.99 and 2,883.25

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Solution

The fourth proportional to 4,979.53, 6,870.99 and 2,883.25 is: 3,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.53 : 6,870.99 = 2,883.25 : x
  2. Step 2: Convert to fraction form
    4,979.53/6,870.99 = 2,883.25/x
  3. Step 3: Cross multiply
    4,979.53x = 6,870.99 × 2,883.25
  4. Step 4: Simplify right side
    4,979.53x = 19,810,781.92
  5. Step 5: Solve for x
    x = 19,810,781.92/4,979.53
  6. Step 6: Final answer
    x = 3,978.44

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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.