Home / 4,873.14-6,728.52-2,987.28

Finding the Fourth Proportional to 4,873.14, 6,728.52 and 2,987.28

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Solution

The fourth proportional to 4,873.14, 6,728.52 and 2,987.28 is: 4,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.14 : 6,728.52 = 2,987.28 : x
  2. Step 2: Convert to fraction form
    4,873.14/6,728.52 = 2,987.28/x
  3. Step 3: Cross multiply
    4,873.14x = 6,728.52 × 2,987.28
  4. Step 4: Simplify right side
    4,873.14x = 20,099,973.23
  5. Step 5: Solve for x
    x = 20,099,973.23/4,873.14
  6. Step 6: Final answer
    x = 4,124.65

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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.