Home / 4,983.84-6,875.42-2,886.75

Finding the Fourth Proportional to 4,983.84, 6,875.42 and 2,886.75

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Solution

The fourth proportional to 4,983.84, 6,875.42 and 2,886.75 is: 3,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.84 : 6,875.42 = 2,886.75 : x
  2. Step 2: Convert to fraction form
    4,983.84/6,875.42 = 2,886.75/x
  3. Step 3: Cross multiply
    4,983.84x = 6,875.42 × 2,886.75
  4. Step 4: Simplify right side
    4,983.84x = 19,847,604.25
  5. Step 5: Solve for x
    x = 19,847,604.25/4,983.84
  6. Step 6: Final answer
    x = 3,982.39

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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.