Home / 8,199.09-11,313.87-5,013.18

Finding the Fourth Proportional to 8,199.09, 11,313.87 and 5,013.18

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Solution

The fourth proportional to 8,199.09, 11,313.87 and 5,013.18 is: 6,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.09 : 11,313.87 = 5,013.18 : x
  2. Step 2: Convert to fraction form
    8,199.09/11,313.87 = 5,013.18/x
  3. Step 3: Cross multiply
    8,199.09x = 11,313.87 × 5,013.18
  4. Step 4: Simplify right side
    8,199.09x = 56,718,466.81
  5. Step 5: Solve for x
    x = 56,718,466.81/8,199.09
  6. Step 6: Final answer
    x = 6,917.65

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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.