Home / 8,834.06-13,230.93-4,220.30

Finding the Fourth Proportional to 8,834.06, 13,230.93 and 4,220.30

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Solution

The fourth proportional to 8,834.06, 13,230.93 and 4,220.30 is: 6,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.06 : 13,230.93 = 4,220.30 : x
  2. Step 2: Convert to fraction form
    8,834.06/13,230.93 = 4,220.30/x
  3. Step 3: Cross multiply
    8,834.06x = 13,230.93 × 4,220.30
  4. Step 4: Simplify right side
    8,834.06x = 55,838,493.88
  5. Step 5: Solve for x
    x = 55,838,493.88/8,834.06
  6. Step 6: Final answer
    x = 6,320.82

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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.