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Finding the Fourth Proportional to 8,840.10, 13,258.09 and 3,907.05

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Solution

The fourth proportional to 8,840.10, 13,258.09 and 3,907.05 is: 5,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.10 : 13,258.09 = 3,907.05 : x
  2. Step 2: Convert to fraction form
    8,840.10/13,258.09 = 3,907.05/x
  3. Step 3: Cross multiply
    8,840.10x = 13,258.09 × 3,907.05
  4. Step 4: Simplify right side
    8,840.10x = 51,800,020.53
  5. Step 5: Solve for x
    x = 51,800,020.53/8,840.10
  6. Step 6: Final answer
    x = 5,859.66

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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.