Home / 5,003.22-6,904.98-2,879.40

Finding the Fourth Proportional to 5,003.22, 6,904.98 and 2,879.40

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Solution

The fourth proportional to 5,003.22, 6,904.98 and 2,879.40 is: 3,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.22 : 6,904.98 = 2,879.40 : x
  2. Step 2: Convert to fraction form
    5,003.22/6,904.98 = 2,879.40/x
  3. Step 3: Cross multiply
    5,003.22x = 6,904.98 × 2,879.40
  4. Step 4: Simplify right side
    5,003.22x = 19,882,199.41
  5. Step 5: Solve for x
    x = 19,882,199.41/5,003.22
  6. Step 6: Final answer
    x = 3,973.88

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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.