Home / 8,436.61-11,642.31-4,608.09

Finding the Fourth Proportional to 8,436.61, 11,642.31 and 4,608.09

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Solution

The fourth proportional to 8,436.61, 11,642.31 and 4,608.09 is: 6,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.61 : 11,642.31 = 4,608.09 : x
  2. Step 2: Convert to fraction form
    8,436.61/11,642.31 = 4,608.09/x
  3. Step 3: Cross multiply
    8,436.61x = 11,642.31 × 4,608.09
  4. Step 4: Simplify right side
    8,436.61x = 53,648,799.33
  5. Step 5: Solve for x
    x = 53,648,799.33/8,436.61
  6. Step 6: Final answer
    x = 6,359.05

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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.