Home / 8,220.09-12,328.92-3,024.75

Finding the Fourth Proportional to 8,220.09, 12,328.92 and 3,024.75

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Solution

The fourth proportional to 8,220.09, 12,328.92 and 3,024.75 is: 4,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.09 : 12,328.92 = 3,024.75 : x
  2. Step 2: Convert to fraction form
    8,220.09/12,328.92 = 3,024.75/x
  3. Step 3: Cross multiply
    8,220.09x = 12,328.92 × 3,024.75
  4. Step 4: Simplify right side
    8,220.09x = 37,291,900.77
  5. Step 5: Solve for x
    x = 37,291,900.77/8,220.09
  6. Step 6: Final answer
    x = 4,536.68

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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.