Home / 8,418.06-11,617.01-4,641.36

Finding the Fourth Proportional to 8,418.06, 11,617.01 and 4,641.36

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Solution

The fourth proportional to 8,418.06, 11,617.01 and 4,641.36 is: 6,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.06 : 11,617.01 = 4,641.36 : x
  2. Step 2: Convert to fraction form
    8,418.06/11,617.01 = 4,641.36/x
  3. Step 3: Cross multiply
    8,418.06x = 11,617.01 × 4,641.36
  4. Step 4: Simplify right side
    8,418.06x = 53,918,702.33
  5. Step 5: Solve for x
    x = 53,918,702.33/8,418.06
  6. Step 6: Final answer
    x = 6,405.12

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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.