Home / 5,970.80-8,242.44-3,876.32

Finding the Fourth Proportional to 5,970.80, 8,242.44 and 3,876.32

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Solution

The fourth proportional to 5,970.80, 8,242.44 and 3,876.32 is: 5,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.80 : 8,242.44 = 3,876.32 : x
  2. Step 2: Convert to fraction form
    5,970.80/8,242.44 = 3,876.32/x
  3. Step 3: Cross multiply
    5,970.80x = 8,242.44 × 3,876.32
  4. Step 4: Simplify right side
    5,970.80x = 31,950,335.02
  5. Step 5: Solve for x
    x = 31,950,335.02/5,970.80
  6. Step 6: Final answer
    x = 5,351.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.