Home / 7,176.68-10,765.26-1,911.64

Finding the Fourth Proportional to 7,176.68, 10,765.26 and 1,911.64

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Solution

The fourth proportional to 7,176.68, 10,765.26 and 1,911.64 is: 2,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.68 : 10,765.26 = 1,911.64 : x
  2. Step 2: Convert to fraction form
    7,176.68/10,765.26 = 1,911.64/x
  3. Step 3: Cross multiply
    7,176.68x = 10,765.26 × 1,911.64
  4. Step 4: Simplify right side
    7,176.68x = 20,579,301.63
  5. Step 5: Solve for x
    x = 20,579,301.63/7,176.68
  6. Step 6: Final answer
    x = 2,867.52

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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.