Home / 7,710.89-11,581.99-6,806.93

Finding the Fourth Proportional to 7,710.89, 11,581.99 and 6,806.93

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Solution

The fourth proportional to 7,710.89, 11,581.99 and 6,806.93 is: 10,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.89 : 11,581.99 = 6,806.93 : x
  2. Step 2: Convert to fraction form
    7,710.89/11,581.99 = 6,806.93/x
  3. Step 3: Cross multiply
    7,710.89x = 11,581.99 × 6,806.93
  4. Step 4: Simplify right side
    7,710.89x = 78,837,720.26
  5. Step 5: Solve for x
    x = 78,837,720.26/7,710.89
  6. Step 6: Final answer
    x = 10,224.21

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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.