Home / 4,877.37-6,731.10-2,781.63

Finding the Fourth Proportional to 4,877.37, 6,731.10 and 2,781.63

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Solution

The fourth proportional to 4,877.37, 6,731.10 and 2,781.63 is: 3,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.37 : 6,731.10 = 2,781.63 : x
  2. Step 2: Convert to fraction form
    4,877.37/6,731.10 = 2,781.63/x
  3. Step 3: Cross multiply
    4,877.37x = 6,731.10 × 2,781.63
  4. Step 4: Simplify right side
    4,877.37x = 18,723,429.69
  5. Step 5: Solve for x
    x = 18,723,429.69/4,877.37
  6. Step 6: Final answer
    x = 3,838.84

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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.