Home / 4,867.12-6,716.71-2,878.02

Finding the Fourth Proportional to 4,867.12, 6,716.71 and 2,878.02

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Solution

The fourth proportional to 4,867.12, 6,716.71 and 2,878.02 is: 3,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.12 : 6,716.71 = 2,878.02 : x
  2. Step 2: Convert to fraction form
    4,867.12/6,716.71 = 2,878.02/x
  3. Step 3: Cross multiply
    4,867.12x = 6,716.71 × 2,878.02
  4. Step 4: Simplify right side
    4,867.12x = 19,330,829.31
  5. Step 5: Solve for x
    x = 19,330,829.31/4,867.12
  6. Step 6: Final answer
    x = 3,971.72

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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.