Home / 5,755.36-8,648.40-3,124.48

Finding the Fourth Proportional to 5,755.36, 8,648.40 and 3,124.48

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Solution

The fourth proportional to 5,755.36, 8,648.40 and 3,124.48 is: 4,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.36 : 8,648.40 = 3,124.48 : x
  2. Step 2: Convert to fraction form
    5,755.36/8,648.40 = 3,124.48/x
  3. Step 3: Cross multiply
    5,755.36x = 8,648.40 × 3,124.48
  4. Step 4: Simplify right side
    5,755.36x = 27,021,752.83
  5. Step 5: Solve for x
    x = 27,021,752.83/5,755.36
  6. Step 6: Final answer
    x = 4,695.06

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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.