Home / 5,100.02-7,038.39-2,862.11

Finding the Fourth Proportional to 5,100.02, 7,038.39 and 2,862.11

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Solution

The fourth proportional to 5,100.02, 7,038.39 and 2,862.11 is: 3,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.02 : 7,038.39 = 2,862.11 : x
  2. Step 2: Convert to fraction form
    5,100.02/7,038.39 = 2,862.11/x
  3. Step 3: Cross multiply
    5,100.02x = 7,038.39 × 2,862.11
  4. Step 4: Simplify right side
    5,100.02x = 20,144,646.40
  5. Step 5: Solve for x
    x = 20,144,646.40/5,100.02
  6. Step 6: Final answer
    x = 3,949.92

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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.