Home / 7,916.60-11,879.02-5,743.26

Finding the Fourth Proportional to 7,916.60, 11,879.02 and 5,743.26

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Solution

The fourth proportional to 7,916.60, 11,879.02 and 5,743.26 is: 8,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.60 : 11,879.02 = 5,743.26 : x
  2. Step 2: Convert to fraction form
    7,916.60/11,879.02 = 5,743.26/x
  3. Step 3: Cross multiply
    7,916.60x = 11,879.02 × 5,743.26
  4. Step 4: Simplify right side
    7,916.60x = 68,224,300.41
  5. Step 5: Solve for x
    x = 68,224,300.41/7,916.60
  6. Step 6: Final answer
    x = 8,617.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.