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Finding the Fourth Proportional to 8,840.56, 13,260.84 and 4,209.52

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Solution

The fourth proportional to 8,840.56, 13,260.84 and 4,209.52 is: 6,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.56 : 13,260.84 = 4,209.52 : x
  2. Step 2: Convert to fraction form
    8,840.56/13,260.84 = 4,209.52/x
  3. Step 3: Cross multiply
    8,840.56x = 13,260.84 × 4,209.52
  4. Step 4: Simplify right side
    8,840.56x = 55,821,771.20
  5. Step 5: Solve for x
    x = 55,821,771.20/8,840.56
  6. Step 6: Final answer
    x = 6,314.28

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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.