Home / 7,720.11-11,595.69-4,606.20

Finding the Fourth Proportional to 7,720.11, 11,595.69 and 4,606.20

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Solution

The fourth proportional to 7,720.11, 11,595.69 and 4,606.20 is: 6,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.11 : 11,595.69 = 4,606.20 : x
  2. Step 2: Convert to fraction form
    7,720.11/11,595.69 = 4,606.20/x
  3. Step 3: Cross multiply
    7,720.11x = 11,595.69 × 4,606.20
  4. Step 4: Simplify right side
    7,720.11x = 53,412,067.28
  5. Step 5: Solve for x
    x = 53,412,067.28/7,720.11
  6. Step 6: Final answer
    x = 6,918.56

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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.