Home / 5,100.68-7,038.93-2,862.54

Finding the Fourth Proportional to 5,100.68, 7,038.93 and 2,862.54

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Solution

The fourth proportional to 5,100.68, 7,038.93 and 2,862.54 is: 3,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.68 : 7,038.93 = 2,862.54 : x
  2. Step 2: Convert to fraction form
    5,100.68/7,038.93 = 2,862.54/x
  3. Step 3: Cross multiply
    5,100.68x = 7,038.93 × 2,862.54
  4. Step 4: Simplify right side
    5,100.68x = 20,149,218.68
  5. Step 5: Solve for x
    x = 20,149,218.68/5,100.68
  6. Step 6: Final answer
    x = 3,950.30

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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.