Home / 7,068.88-10,603.14-2,138.32

Finding the Fourth Proportional to 7,068.88, 10,603.14 and 2,138.32

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Solution

The fourth proportional to 7,068.88, 10,603.14 and 2,138.32 is: 3,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.88 : 10,603.14 = 2,138.32 : x
  2. Step 2: Convert to fraction form
    7,068.88/10,603.14 = 2,138.32/x
  3. Step 3: Cross multiply
    7,068.88x = 10,603.14 × 2,138.32
  4. Step 4: Simplify right side
    7,068.88x = 22,672,906.32
  5. Step 5: Solve for x
    x = 22,672,906.32/7,068.88
  6. Step 6: Final answer
    x = 3,207.43

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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.