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Finding the Fourth Proportional to 8,810.61, 13,216.11 and 3,546.15

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Solution

The fourth proportional to 8,810.61, 13,216.11 and 3,546.15 is: 5,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.61 : 13,216.11 = 3,546.15 : x
  2. Step 2: Convert to fraction form
    8,810.61/13,216.11 = 3,546.15/x
  3. Step 3: Cross multiply
    8,810.61x = 13,216.11 × 3,546.15
  4. Step 4: Simplify right side
    8,810.61x = 46,866,308.48
  5. Step 5: Solve for x
    x = 46,866,308.48/8,810.61
  6. Step 6: Final answer
    x = 5,319.30

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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.