Home / 6,319.80-9,472.32-4,754.78

Finding the Fourth Proportional to 6,319.80, 9,472.32 and 4,754.78

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Solution

The fourth proportional to 6,319.80, 9,472.32 and 4,754.78 is: 7,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.80 : 9,472.32 = 4,754.78 : x
  2. Step 2: Convert to fraction form
    6,319.80/9,472.32 = 4,754.78/x
  3. Step 3: Cross multiply
    6,319.80x = 9,472.32 × 4,754.78
  4. Step 4: Simplify right side
    6,319.80x = 45,038,745.84
  5. Step 5: Solve for x
    x = 45,038,745.84/6,319.80
  6. Step 6: Final answer
    x = 7,126.61

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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.