Home / 7,709.24-11,605.87-5,259.49

Finding the Fourth Proportional to 7,709.24, 11,605.87 and 5,259.49

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Solution

The fourth proportional to 7,709.24, 11,605.87 and 5,259.49 is: 7,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.24 : 11,605.87 = 5,259.49 : x
  2. Step 2: Convert to fraction form
    7,709.24/11,605.87 = 5,259.49/x
  3. Step 3: Cross multiply
    7,709.24x = 11,605.87 × 5,259.49
  4. Step 4: Simplify right side
    7,709.24x = 61,040,957.21
  5. Step 5: Solve for x
    x = 61,040,957.21/7,709.24
  6. Step 6: Final answer
    x = 7,917.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.