Home / 8,734.90-13,105.08-5,618.43

Finding the Fourth Proportional to 8,734.90, 13,105.08 and 5,618.43

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Solution

The fourth proportional to 8,734.90, 13,105.08 and 5,618.43 is: 8,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.90 : 13,105.08 = 5,618.43 : x
  2. Step 2: Convert to fraction form
    8,734.90/13,105.08 = 5,618.43/x
  3. Step 3: Cross multiply
    8,734.90x = 13,105.08 × 5,618.43
  4. Step 4: Simplify right side
    8,734.90x = 73,629,946.99
  5. Step 5: Solve for x
    x = 73,629,946.99/8,734.90
  6. Step 6: Final answer
    x = 8,429.40

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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.