Home / 4,983.72-6,877.70-2,887.72

Finding the Fourth Proportional to 4,983.72, 6,877.70 and 2,887.72

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Solution

The fourth proportional to 4,983.72, 6,877.70 and 2,887.72 is: 3,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.72 : 6,877.70 = 2,887.72 : x
  2. Step 2: Convert to fraction form
    4,983.72/6,877.70 = 2,887.72/x
  3. Step 3: Cross multiply
    4,983.72x = 6,877.70 × 2,887.72
  4. Step 4: Simplify right side
    4,983.72x = 19,860,871.84
  5. Step 5: Solve for x
    x = 19,860,871.84/4,983.72
  6. Step 6: Final answer
    x = 3,985.15

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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.