Home / 8,912.19-12,298.62-4,879.01

Finding the Fourth Proportional to 8,912.19, 12,298.62 and 4,879.01

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Solution

The fourth proportional to 8,912.19, 12,298.62 and 4,879.01 is: 6,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.19 : 12,298.62 = 4,879.01 : x
  2. Step 2: Convert to fraction form
    8,912.19/12,298.62 = 4,879.01/x
  3. Step 3: Cross multiply
    8,912.19x = 12,298.62 × 4,879.01
  4. Step 4: Simplify right side
    8,912.19x = 60,005,028.47
  5. Step 5: Solve for x
    x = 60,005,028.47/8,912.19
  6. Step 6: Final answer
    x = 6,732.92

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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.