Home / 5,638.48-8,456.36-2,349.79

Finding the Fourth Proportional to 5,638.48, 8,456.36 and 2,349.79

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Solution

The fourth proportional to 5,638.48, 8,456.36 and 2,349.79 is: 3,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.48 : 8,456.36 = 2,349.79 : x
  2. Step 2: Convert to fraction form
    5,638.48/8,456.36 = 2,349.79/x
  3. Step 3: Cross multiply
    5,638.48x = 8,456.36 × 2,349.79
  4. Step 4: Simplify right side
    5,638.48x = 19,870,637.27
  5. Step 5: Solve for x
    x = 19,870,637.27/5,638.48
  6. Step 6: Final answer
    x = 3,524.11

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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.