Home / 8,346.89-11,516.81-4,989.14

Finding the Fourth Proportional to 8,346.89, 11,516.81 and 4,989.14

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Solution

The fourth proportional to 8,346.89, 11,516.81 and 4,989.14 is: 6,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.89 : 11,516.81 = 4,989.14 : x
  2. Step 2: Convert to fraction form
    8,346.89/11,516.81 = 4,989.14/x
  3. Step 3: Cross multiply
    8,346.89x = 11,516.81 × 4,989.14
  4. Step 4: Simplify right side
    8,346.89x = 57,458,894.91
  5. Step 5: Solve for x
    x = 57,458,894.91/8,346.89
  6. Step 6: Final answer
    x = 6,883.87

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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.