Home / 5,753.39-8,638.73-3,290.99

Finding the Fourth Proportional to 5,753.39, 8,638.73 and 3,290.99

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Solution

The fourth proportional to 5,753.39, 8,638.73 and 3,290.99 is: 4,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.39 : 8,638.73 = 3,290.99 : x
  2. Step 2: Convert to fraction form
    5,753.39/8,638.73 = 3,290.99/x
  3. Step 3: Cross multiply
    5,753.39x = 8,638.73 × 3,290.99
  4. Step 4: Simplify right side
    5,753.39x = 28,429,957.59
  5. Step 5: Solve for x
    x = 28,429,957.59/5,753.39
  6. Step 6: Final answer
    x = 4,941.43

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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.