Home / 7,556.79-11,284.28-6,172.86

Finding the Fourth Proportional to 7,556.79, 11,284.28 and 6,172.86

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Solution

The fourth proportional to 7,556.79, 11,284.28 and 6,172.86 is: 9,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.79 : 11,284.28 = 6,172.86 : x
  2. Step 2: Convert to fraction form
    7,556.79/11,284.28 = 6,172.86/x
  3. Step 3: Cross multiply
    7,556.79x = 11,284.28 × 6,172.86
  4. Step 4: Simplify right side
    7,556.79x = 69,656,280.64
  5. Step 5: Solve for x
    x = 69,656,280.64/7,556.79
  6. Step 6: Final answer
    x = 9,217.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.