Home / 7,771.16-10,720.22-5,083.96

Finding the Fourth Proportional to 7,771.16, 10,720.22 and 5,083.96

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Solution

The fourth proportional to 7,771.16, 10,720.22 and 5,083.96 is: 7,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.16 : 10,720.22 = 5,083.96 : x
  2. Step 2: Convert to fraction form
    7,771.16/10,720.22 = 5,083.96/x
  3. Step 3: Cross multiply
    7,771.16x = 10,720.22 × 5,083.96
  4. Step 4: Simplify right side
    7,771.16x = 54,501,169.67
  5. Step 5: Solve for x
    x = 54,501,169.67/7,771.16
  6. Step 6: Final answer
    x = 7,013.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.