Home / 7,378.92-11,068.40-2,447.26

Finding the Fourth Proportional to 7,378.92, 11,068.40 and 2,447.26

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Solution

The fourth proportional to 7,378.92, 11,068.40 and 2,447.26 is: 3,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.92 : 11,068.40 = 2,447.26 : x
  2. Step 2: Convert to fraction form
    7,378.92/11,068.40 = 2,447.26/x
  3. Step 3: Cross multiply
    7,378.92x = 11,068.40 × 2,447.26
  4. Step 4: Simplify right side
    7,378.92x = 27,087,252.58
  5. Step 5: Solve for x
    x = 27,087,252.58/7,378.92
  6. Step 6: Final answer
    x = 3,670.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.