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Finding the Fourth Proportional to 8,840.56, 13,260.56 and 3,291.76

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Solution

The fourth proportional to 8,840.56, 13,260.56 and 3,291.76 is: 4,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.56 : 13,260.56 = 3,291.76 : x
  2. Step 2: Convert to fraction form
    8,840.56/13,260.56 = 3,291.76/x
  3. Step 3: Cross multiply
    8,840.56x = 13,260.56 × 3,291.76
  4. Step 4: Simplify right side
    8,840.56x = 43,650,580.99
  5. Step 5: Solve for x
    x = 43,650,580.99/8,840.56
  6. Step 6: Final answer
    x = 4,937.54

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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.