Home / 7,380.39-11,068.43-6,078.63

Finding the Fourth Proportional to 7,380.39, 11,068.43 and 6,078.63

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Solution

The fourth proportional to 7,380.39, 11,068.43 and 6,078.63 is: 9,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.39 : 11,068.43 = 6,078.63 : x
  2. Step 2: Convert to fraction form
    7,380.39/11,068.43 = 6,078.63/x
  3. Step 3: Cross multiply
    7,380.39x = 11,068.43 × 6,078.63
  4. Step 4: Simplify right side
    7,380.39x = 67,280,860.26
  5. Step 5: Solve for x
    x = 67,280,860.26/7,380.39
  6. Step 6: Final answer
    x = 9,116.17

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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.