Home / 8,389.90-11,577.82-4,613.06

Finding the Fourth Proportional to 8,389.90, 11,577.82 and 4,613.06

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Solution

The fourth proportional to 8,389.90, 11,577.82 and 4,613.06 is: 6,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.90 : 11,577.82 = 4,613.06 : x
  2. Step 2: Convert to fraction form
    8,389.90/11,577.82 = 4,613.06/x
  3. Step 3: Cross multiply
    8,389.90x = 11,577.82 × 4,613.06
  4. Step 4: Simplify right side
    8,389.90x = 53,409,178.33
  5. Step 5: Solve for x
    x = 53,409,178.33/8,389.90
  6. Step 6: Final answer
    x = 6,365.89

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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.