Home / 8,665.11-11,954.88-4,887.81

Finding the Fourth Proportional to 8,665.11, 11,954.88 and 4,887.81

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Solution

The fourth proportional to 8,665.11, 11,954.88 and 4,887.81 is: 6,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.11 : 11,954.88 = 4,887.81 : x
  2. Step 2: Convert to fraction form
    8,665.11/11,954.88 = 4,887.81/x
  3. Step 3: Cross multiply
    8,665.11x = 11,954.88 × 4,887.81
  4. Step 4: Simplify right side
    8,665.11x = 58,433,182.01
  5. Step 5: Solve for x
    x = 58,433,182.01/8,665.11
  6. Step 6: Final answer
    x = 6,743.50

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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.