Home / 5,587.52-8,380.44-1,637.72

Finding the Fourth Proportional to 5,587.52, 8,380.44 and 1,637.72

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Solution

The fourth proportional to 5,587.52, 8,380.44 and 1,637.72 is: 2,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.52 : 8,380.44 = 1,637.72 : x
  2. Step 2: Convert to fraction form
    5,587.52/8,380.44 = 1,637.72/x
  3. Step 3: Cross multiply
    5,587.52x = 8,380.44 × 1,637.72
  4. Step 4: Simplify right side
    5,587.52x = 13,724,814.20
  5. Step 5: Solve for x
    x = 13,724,814.20/5,587.52
  6. Step 6: Final answer
    x = 2,456.33

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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.