Home / 6,428.26-8,876.02-4,933.80

Finding the Fourth Proportional to 6,428.26, 8,876.02 and 4,933.80

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Solution

The fourth proportional to 6,428.26, 8,876.02 and 4,933.80 is: 6,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.26 : 8,876.02 = 4,933.80 : x
  2. Step 2: Convert to fraction form
    6,428.26/8,876.02 = 4,933.80/x
  3. Step 3: Cross multiply
    6,428.26x = 8,876.02 × 4,933.80
  4. Step 4: Simplify right side
    6,428.26x = 43,792,507.48
  5. Step 5: Solve for x
    x = 43,792,507.48/6,428.26
  6. Step 6: Final answer
    x = 6,812.50

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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.