Home / 7,889.43-10,887.16-4,486.81

Finding the Fourth Proportional to 7,889.43, 10,887.16 and 4,486.81

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Solution

The fourth proportional to 7,889.43, 10,887.16 and 4,486.81 is: 6,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.43 : 10,887.16 = 4,486.81 : x
  2. Step 2: Convert to fraction form
    7,889.43/10,887.16 = 4,486.81/x
  3. Step 3: Cross multiply
    7,889.43x = 10,887.16 × 4,486.81
  4. Step 4: Simplify right side
    7,889.43x = 48,848,579.92
  5. Step 5: Solve for x
    x = 48,848,579.92/7,889.43
  6. Step 6: Final answer
    x = 6,191.65

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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.