Home / 5,145.93-7,704.95-2,675.57

Finding the Fourth Proportional to 5,145.93, 7,704.95 and 2,675.57

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Solution

The fourth proportional to 5,145.93, 7,704.95 and 2,675.57 is: 4,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.93 : 7,704.95 = 2,675.57 : x
  2. Step 2: Convert to fraction form
    5,145.93/7,704.95 = 2,675.57/x
  3. Step 3: Cross multiply
    5,145.93x = 7,704.95 × 2,675.57
  4. Step 4: Simplify right side
    5,145.93x = 20,615,081.17
  5. Step 5: Solve for x
    x = 20,615,081.17/5,145.93
  6. Step 6: Final answer
    x = 4,006.09

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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.