Home / 5,637.92-8,461.76-2,177.60

Finding the Fourth Proportional to 5,637.92, 8,461.76 and 2,177.60

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Solution

The fourth proportional to 5,637.92, 8,461.76 and 2,177.60 is: 3,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.92 : 8,461.76 = 2,177.60 : x
  2. Step 2: Convert to fraction form
    5,637.92/8,461.76 = 2,177.60/x
  3. Step 3: Cross multiply
    5,637.92x = 8,461.76 × 2,177.60
  4. Step 4: Simplify right side
    5,637.92x = 18,426,328.58
  5. Step 5: Solve for x
    x = 18,426,328.58/5,637.92
  6. Step 6: Final answer
    x = 3,268.28

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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.