Home / 4,972.50-6,862.05-2,876.76

Finding the Fourth Proportional to 4,972.50, 6,862.05 and 2,876.76

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Solution

The fourth proportional to 4,972.50, 6,862.05 and 2,876.76 is: 3,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.50 : 6,862.05 = 2,876.76 : x
  2. Step 2: Convert to fraction form
    4,972.50/6,862.05 = 2,876.76/x
  3. Step 3: Cross multiply
    4,972.50x = 6,862.05 × 2,876.76
  4. Step 4: Simplify right side
    4,972.50x = 19,740,470.96
  5. Step 5: Solve for x
    x = 19,740,470.96/4,972.50
  6. Step 6: Final answer
    x = 3,969.93

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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.