Home / 5,145.90-7,717.11-2,025.08

Finding the Fourth Proportional to 5,145.90, 7,717.11 and 2,025.08

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Solution

The fourth proportional to 5,145.90, 7,717.11 and 2,025.08 is: 3,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.90 : 7,717.11 = 2,025.08 : x
  2. Step 2: Convert to fraction form
    5,145.90/7,717.11 = 2,025.08/x
  3. Step 3: Cross multiply
    5,145.90x = 7,717.11 × 2,025.08
  4. Step 4: Simplify right side
    5,145.90x = 15,627,808.37
  5. Step 5: Solve for x
    x = 15,627,808.37/5,145.90
  6. Step 6: Final answer
    x = 3,036.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.