Home / 4,451.30-6,141.93-3,122.90

Finding the Fourth Proportional to 4,451.30, 6,141.93 and 3,122.90

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Solution

The fourth proportional to 4,451.30, 6,141.93 and 3,122.90 is: 4,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.30 : 6,141.93 = 3,122.90 : x
  2. Step 2: Convert to fraction form
    4,451.30/6,141.93 = 3,122.90/x
  3. Step 3: Cross multiply
    4,451.30x = 6,141.93 × 3,122.90
  4. Step 4: Simplify right side
    4,451.30x = 19,180,633.20
  5. Step 5: Solve for x
    x = 19,180,633.20/4,451.30
  6. Step 6: Final answer
    x = 4,309.00

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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.