Home / 8,861.02-13,290.06-2,620.30

Finding the Fourth Proportional to 8,861.02, 13,290.06 and 2,620.30

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Solution

The fourth proportional to 8,861.02, 13,290.06 and 2,620.30 is: 3,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.02 : 13,290.06 = 2,620.30 : x
  2. Step 2: Convert to fraction form
    8,861.02/13,290.06 = 2,620.30/x
  3. Step 3: Cross multiply
    8,861.02x = 13,290.06 × 2,620.30
  4. Step 4: Simplify right side
    8,861.02x = 34,823,944.22
  5. Step 5: Solve for x
    x = 34,823,944.22/8,861.02
  6. Step 6: Final answer
    x = 3,930.02

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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.