Home / 8,829.56-13,224.18-4,215.80

Finding the Fourth Proportional to 8,829.56, 13,224.18 and 4,215.80

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Solution

The fourth proportional to 8,829.56, 13,224.18 and 4,215.80 is: 6,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.56 : 13,224.18 = 4,215.80 : x
  2. Step 2: Convert to fraction form
    8,829.56/13,224.18 = 4,215.80/x
  3. Step 3: Cross multiply
    8,829.56x = 13,224.18 × 4,215.80
  4. Step 4: Simplify right side
    8,829.56x = 55,750,498.04
  5. Step 5: Solve for x
    x = 55,750,498.04/8,829.56
  6. Step 6: Final answer
    x = 6,314.07

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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.