Home / 8,346.78-11,517.75-4,988.92

Finding the Fourth Proportional to 8,346.78, 11,517.75 and 4,988.92

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Solution

The fourth proportional to 8,346.78, 11,517.75 and 4,988.92 is: 6,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.78 : 11,517.75 = 4,988.92 : x
  2. Step 2: Convert to fraction form
    8,346.78/11,517.75 = 4,988.92/x
  3. Step 3: Cross multiply
    8,346.78x = 11,517.75 × 4,988.92
  4. Step 4: Simplify right side
    8,346.78x = 57,461,133.33
  5. Step 5: Solve for x
    x = 57,461,133.33/8,346.78
  6. Step 6: Final answer
    x = 6,884.23

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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.