Home / 4,982.50-6,875.85-2,887.84

Finding the Fourth Proportional to 4,982.50, 6,875.85 and 2,887.84

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Solution

The fourth proportional to 4,982.50, 6,875.85 and 2,887.84 is: 3,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.50 : 6,875.85 = 2,887.84 : x
  2. Step 2: Convert to fraction form
    4,982.50/6,875.85 = 2,887.84/x
  3. Step 3: Cross multiply
    4,982.50x = 6,875.85 × 2,887.84
  4. Step 4: Simplify right side
    4,982.50x = 19,856,354.66
  5. Step 5: Solve for x
    x = 19,856,354.66/4,982.50
  6. Step 6: Final answer
    x = 3,985.22

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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.