Home / 4,868.71-6,719.67-2,879.35

Finding the Fourth Proportional to 4,868.71, 6,719.67 and 2,879.35

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Solution

The fourth proportional to 4,868.71, 6,719.67 and 2,879.35 is: 3,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.71 : 6,719.67 = 2,879.35 : x
  2. Step 2: Convert to fraction form
    4,868.71/6,719.67 = 2,879.35/x
  3. Step 3: Cross multiply
    4,868.71x = 6,719.67 × 2,879.35
  4. Step 4: Simplify right side
    4,868.71x = 19,348,265.02
  5. Step 5: Solve for x
    x = 19,348,265.02/4,868.71
  6. Step 6: Final answer
    x = 3,974.00

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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.