Home / 7,997.99-11,032.35-5,309.35

Finding the Fourth Proportional to 7,997.99, 11,032.35 and 5,309.35

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Solution

The fourth proportional to 7,997.99, 11,032.35 and 5,309.35 is: 7,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.99 : 11,032.35 = 5,309.35 : x
  2. Step 2: Convert to fraction form
    7,997.99/11,032.35 = 5,309.35/x
  3. Step 3: Cross multiply
    7,997.99x = 11,032.35 × 5,309.35
  4. Step 4: Simplify right side
    7,997.99x = 58,574,589.85
  5. Step 5: Solve for x
    x = 58,574,589.85/7,997.99
  6. Step 6: Final answer
    x = 7,323.66

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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.