Home / 5,376.59-7,418.39-3,137.19

Finding the Fourth Proportional to 5,376.59, 7,418.39 and 3,137.19

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Solution

The fourth proportional to 5,376.59, 7,418.39 and 3,137.19 is: 4,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.59 : 7,418.39 = 3,137.19 : x
  2. Step 2: Convert to fraction form
    5,376.59/7,418.39 = 3,137.19/x
  3. Step 3: Cross multiply
    5,376.59x = 7,418.39 × 3,137.19
  4. Step 4: Simplify right side
    5,376.59x = 23,272,861.83
  5. Step 5: Solve for x
    x = 23,272,861.83/5,376.59
  6. Step 6: Final answer
    x = 4,328.55

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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.