Home / 6,715.91-10,069.80-2,556.20

Finding the Fourth Proportional to 6,715.91, 10,069.80 and 2,556.20

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Solution

The fourth proportional to 6,715.91, 10,069.80 and 2,556.20 is: 3,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.91 : 10,069.80 = 2,556.20 : x
  2. Step 2: Convert to fraction form
    6,715.91/10,069.80 = 2,556.20/x
  3. Step 3: Cross multiply
    6,715.91x = 10,069.80 × 2,556.20
  4. Step 4: Simplify right side
    6,715.91x = 25,740,438.35
  5. Step 5: Solve for x
    x = 25,740,438.35/6,715.91
  6. Step 6: Final answer
    x = 3,832.75

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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.