Home / 6,758.90-10,138.35-4,901.30

Finding the Fourth Proportional to 6,758.90, 10,138.35 and 4,901.30

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Solution

The fourth proportional to 6,758.90, 10,138.35 and 4,901.30 is: 7,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.90 : 10,138.35 = 4,901.30 : x
  2. Step 2: Convert to fraction form
    6,758.90/10,138.35 = 4,901.30/x
  3. Step 3: Cross multiply
    6,758.90x = 10,138.35 × 4,901.30
  4. Step 4: Simplify right side
    6,758.90x = 49,691,094.86
  5. Step 5: Solve for x
    x = 49,691,094.86/6,758.90
  6. Step 6: Final answer
    x = 7,351.95

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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.