Home / 8,392.92-11,575.89-5,555.31

Finding the Fourth Proportional to 8,392.92, 11,575.89 and 5,555.31

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Solution

The fourth proportional to 8,392.92, 11,575.89 and 5,555.31 is: 7,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.92 : 11,575.89 = 5,555.31 : x
  2. Step 2: Convert to fraction form
    8,392.92/11,575.89 = 5,555.31/x
  3. Step 3: Cross multiply
    8,392.92x = 11,575.89 × 5,555.31
  4. Step 4: Simplify right side
    8,392.92x = 64,307,657.48
  5. Step 5: Solve for x
    x = 64,307,657.48/8,392.92
  6. Step 6: Final answer
    x = 7,662.13

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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.