Home / 4,879.32-7,312.10-2,796.18

Finding the Fourth Proportional to 4,879.32, 7,312.10 and 2,796.18

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Solution

The fourth proportional to 4,879.32, 7,312.10 and 2,796.18 is: 4,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.32 : 7,312.10 = 2,796.18 : x
  2. Step 2: Convert to fraction form
    4,879.32/7,312.10 = 2,796.18/x
  3. Step 3: Cross multiply
    4,879.32x = 7,312.10 × 2,796.18
  4. Step 4: Simplify right side
    4,879.32x = 20,445,933.80
  5. Step 5: Solve for x
    x = 20,445,933.80/4,879.32
  6. Step 6: Final answer
    x = 4,190.32

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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.