Home / 5,100.48-7,037.73-2,862.05

Finding the Fourth Proportional to 5,100.48, 7,037.73 and 2,862.05

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Solution

The fourth proportional to 5,100.48, 7,037.73 and 2,862.05 is: 3,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.48 : 7,037.73 = 2,862.05 : x
  2. Step 2: Convert to fraction form
    5,100.48/7,037.73 = 2,862.05/x
  3. Step 3: Cross multiply
    5,100.48x = 7,037.73 × 2,862.05
  4. Step 4: Simplify right side
    5,100.48x = 20,142,299.96
  5. Step 5: Solve for x
    x = 20,142,299.96/5,100.48
  6. Step 6: Final answer
    x = 3,949.10

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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.