Home / 8,356.19-11,531.03-4,578.60

Finding the Fourth Proportional to 8,356.19, 11,531.03 and 4,578.60

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Solution

The fourth proportional to 8,356.19, 11,531.03 and 4,578.60 is: 6,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.19 : 11,531.03 = 4,578.60 : x
  2. Step 2: Convert to fraction form
    8,356.19/11,531.03 = 4,578.60/x
  3. Step 3: Cross multiply
    8,356.19x = 11,531.03 × 4,578.60
  4. Step 4: Simplify right side
    8,356.19x = 52,795,951.07
  5. Step 5: Solve for x
    x = 52,795,951.07/8,356.19
  6. Step 6: Final answer
    x = 6,318.19

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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.