Home / 4,877.73-6,730.85-2,861.55

Finding the Fourth Proportional to 4,877.73, 6,730.85 and 2,861.55

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Solution

The fourth proportional to 4,877.73, 6,730.85 and 2,861.55 is: 3,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.73 : 6,730.85 = 2,861.55 : x
  2. Step 2: Convert to fraction form
    4,877.73/6,730.85 = 2,861.55/x
  3. Step 3: Cross multiply
    4,877.73x = 6,730.85 × 2,861.55
  4. Step 4: Simplify right side
    4,877.73x = 19,260,666.34
  5. Step 5: Solve for x
    x = 19,260,666.34/4,877.73
  6. Step 6: Final answer
    x = 3,948.69

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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.