Home / 7,720.13-11,595.69-4,606.22

Finding the Fourth Proportional to 7,720.13, 11,595.69 and 4,606.22

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Solution

The fourth proportional to 7,720.13, 11,595.69 and 4,606.22 is: 6,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.13 : 11,595.69 = 4,606.22 : x
  2. Step 2: Convert to fraction form
    7,720.13/11,595.69 = 4,606.22/x
  3. Step 3: Cross multiply
    7,720.13x = 11,595.69 × 4,606.22
  4. Step 4: Simplify right side
    7,720.13x = 53,412,241.21
  5. Step 5: Solve for x
    x = 53,412,241.21/7,720.13
  6. Step 6: Final answer
    x = 6,918.57

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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.