Home / 4,993.19-6,890.91-2,869.40

Finding the Fourth Proportional to 4,993.19, 6,890.91 and 2,869.40

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Solution

The fourth proportional to 4,993.19, 6,890.91 and 2,869.40 is: 3,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.19 : 6,890.91 = 2,869.40 : x
  2. Step 2: Convert to fraction form
    4,993.19/6,890.91 = 2,869.40/x
  3. Step 3: Cross multiply
    4,993.19x = 6,890.91 × 2,869.40
  4. Step 4: Simplify right side
    4,993.19x = 19,772,742.70
  5. Step 5: Solve for x
    x = 19,772,742.70/4,993.19
  6. Step 6: Final answer
    x = 3,959.95

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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.