Home / 7,983.06-11,005.19-5,617.86

Finding the Fourth Proportional to 7,983.06, 11,005.19 and 5,617.86

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Solution

The fourth proportional to 7,983.06, 11,005.19 and 5,617.86 is: 7,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.06 : 11,005.19 = 5,617.86 : x
  2. Step 2: Convert to fraction form
    7,983.06/11,005.19 = 5,617.86/x
  3. Step 3: Cross multiply
    7,983.06x = 11,005.19 × 5,617.86
  4. Step 4: Simplify right side
    7,983.06x = 61,825,616.69
  5. Step 5: Solve for x
    x = 61,825,616.69/7,983.06
  6. Step 6: Final answer
    x = 7,744.60

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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.