Home / 5,639.52-8,461.44-2,177.04

Finding the Fourth Proportional to 5,639.52, 8,461.44 and 2,177.04

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Solution

The fourth proportional to 5,639.52, 8,461.44 and 2,177.04 is: 3,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.52 : 8,461.44 = 2,177.04 : x
  2. Step 2: Convert to fraction form
    5,639.52/8,461.44 = 2,177.04/x
  3. Step 3: Cross multiply
    5,639.52x = 8,461.44 × 2,177.04
  4. Step 4: Simplify right side
    5,639.52x = 18,420,893.34
  5. Step 5: Solve for x
    x = 18,420,893.34/5,639.52
  6. Step 6: Final answer
    x = 3,266.39

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1.5x scale

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.