Home / 8,515.50-11,752.11-4,790.22

Finding the Fourth Proportional to 8,515.50, 11,752.11 and 4,790.22

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Solution

The fourth proportional to 8,515.50, 11,752.11 and 4,790.22 is: 6,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.50 : 11,752.11 = 4,790.22 : x
  2. Step 2: Convert to fraction form
    8,515.50/11,752.11 = 4,790.22/x
  3. Step 3: Cross multiply
    8,515.50x = 11,752.11 × 4,790.22
  4. Step 4: Simplify right side
    8,515.50x = 56,295,192.36
  5. Step 5: Solve for x
    x = 56,295,192.36/8,515.50
  6. Step 6: Final answer
    x = 6,610.91

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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.