Home / 5,876.40-8,109.50-3,223.80

Finding the Fourth Proportional to 5,876.40, 8,109.50 and 3,223.80

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Solution

The fourth proportional to 5,876.40, 8,109.50 and 3,223.80 is: 4,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.40 : 8,109.50 = 3,223.80 : x
  2. Step 2: Convert to fraction form
    5,876.40/8,109.50 = 3,223.80/x
  3. Step 3: Cross multiply
    5,876.40x = 8,109.50 × 3,223.80
  4. Step 4: Simplify right side
    5,876.40x = 26,143,406.10
  5. Step 5: Solve for x
    x = 26,143,406.10/5,876.40
  6. Step 6: Final answer
    x = 4,448.88

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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.