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Finding the Fourth Proportional to 8,803.80, 13,210.90 and 3,261.08

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Solution

The fourth proportional to 8,803.80, 13,210.90 and 3,261.08 is: 4,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.80 : 13,210.90 = 3,261.08 : x
  2. Step 2: Convert to fraction form
    8,803.80/13,210.90 = 3,261.08/x
  3. Step 3: Cross multiply
    8,803.80x = 13,210.90 × 3,261.08
  4. Step 4: Simplify right side
    8,803.80x = 43,081,801.77
  5. Step 5: Solve for x
    x = 43,081,801.77/8,803.80
  6. Step 6: Final answer
    x = 4,893.55

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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.