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Finding the Fourth Proportional to 8,805.71, 13,209.18 and 3,258.93

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Solution

The fourth proportional to 8,805.71, 13,209.18 and 3,258.93 is: 4,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.71 : 13,209.18 = 3,258.93 : x
  2. Step 2: Convert to fraction form
    8,805.71/13,209.18 = 3,258.93/x
  3. Step 3: Cross multiply
    8,805.71x = 13,209.18 × 3,258.93
  4. Step 4: Simplify right side
    8,805.71x = 43,047,830.29
  5. Step 5: Solve for x
    x = 43,047,830.29/8,805.71
  6. Step 6: Final answer
    x = 4,888.63

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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.