Home / 6,364.08-8,781.48-3,638.42

Finding the Fourth Proportional to 6,364.08, 8,781.48 and 3,638.42

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Solution

The fourth proportional to 6,364.08, 8,781.48 and 3,638.42 is: 5,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.08 : 8,781.48 = 3,638.42 : x
  2. Step 2: Convert to fraction form
    6,364.08/8,781.48 = 3,638.42/x
  3. Step 3: Cross multiply
    6,364.08x = 8,781.48 × 3,638.42
  4. Step 4: Simplify right side
    6,364.08x = 31,950,668.55
  5. Step 5: Solve for x
    x = 31,950,668.55/6,364.08
  6. Step 6: Final answer
    x = 5,020.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.