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Finding the Fourth Proportional to 8,525.57, 12,788.29 and 3,259.35

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Solution

The fourth proportional to 8,525.57, 12,788.29 and 3,259.35 is: 4,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.57 : 12,788.29 = 3,259.35 : x
  2. Step 2: Convert to fraction form
    8,525.57/12,788.29 = 3,259.35/x
  3. Step 3: Cross multiply
    8,525.57x = 12,788.29 × 3,259.35
  4. Step 4: Simplify right side
    8,525.57x = 41,681,504.86
  5. Step 5: Solve for x
    x = 41,681,504.86/8,525.57
  6. Step 6: Final answer
    x = 4,889.00

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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.