Home / 4,867.94-6,717.40-2,878.12

Finding the Fourth Proportional to 4,867.94, 6,717.40 and 2,878.12

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Solution

The fourth proportional to 4,867.94, 6,717.40 and 2,878.12 is: 3,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.94 : 6,717.40 = 2,878.12 : x
  2. Step 2: Convert to fraction form
    4,867.94/6,717.40 = 2,878.12/x
  3. Step 3: Cross multiply
    4,867.94x = 6,717.40 × 2,878.12
  4. Step 4: Simplify right side
    4,867.94x = 19,333,483.29
  5. Step 5: Solve for x
    x = 19,333,483.29/4,867.94
  6. Step 6: Final answer
    x = 3,971.59

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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.