Home / 5,027.86-6,938.76-2,790.10

Finding the Fourth Proportional to 5,027.86, 6,938.76 and 2,790.10

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Solution

The fourth proportional to 5,027.86, 6,938.76 and 2,790.10 is: 3,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.86 : 6,938.76 = 2,790.10 : x
  2. Step 2: Convert to fraction form
    5,027.86/6,938.76 = 2,790.10/x
  3. Step 3: Cross multiply
    5,027.86x = 6,938.76 × 2,790.10
  4. Step 4: Simplify right side
    5,027.86x = 19,359,834.28
  5. Step 5: Solve for x
    x = 19,359,834.28/5,027.86
  6. Step 6: Final answer
    x = 3,850.51

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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.