Home / 8,343.54-11,513.79-4,806.90

Finding the Fourth Proportional to 8,343.54, 11,513.79 and 4,806.90

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Solution

The fourth proportional to 8,343.54, 11,513.79 and 4,806.90 is: 6,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.54 : 11,513.79 = 4,806.90 : x
  2. Step 2: Convert to fraction form
    8,343.54/11,513.79 = 4,806.90/x
  3. Step 3: Cross multiply
    8,343.54x = 11,513.79 × 4,806.90
  4. Step 4: Simplify right side
    8,343.54x = 55,345,637.15
  5. Step 5: Solve for x
    x = 55,345,637.15/8,343.54
  6. Step 6: Final answer
    x = 6,633.35

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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.