Home / 8,389.38-11,577.37-4,612.94

Finding the Fourth Proportional to 8,389.38, 11,577.37 and 4,612.94

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Solution

The fourth proportional to 8,389.38, 11,577.37 and 4,612.94 is: 6,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.38 : 11,577.37 = 4,612.94 : x
  2. Step 2: Convert to fraction form
    8,389.38/11,577.37 = 4,612.94/x
  3. Step 3: Cross multiply
    8,389.38x = 11,577.37 × 4,612.94
  4. Step 4: Simplify right side
    8,389.38x = 53,405,643.75
  5. Step 5: Solve for x
    x = 53,405,643.75/8,389.38
  6. Step 6: Final answer
    x = 6,365.86

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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.