Home / 6,125.15-8,453.16-3,472.80

Finding the Fourth Proportional to 6,125.15, 8,453.16 and 3,472.80

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Solution

The fourth proportional to 6,125.15, 8,453.16 and 3,472.80 is: 4,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.15 : 8,453.16 = 3,472.80 : x
  2. Step 2: Convert to fraction form
    6,125.15/8,453.16 = 3,472.80/x
  3. Step 3: Cross multiply
    6,125.15x = 8,453.16 × 3,472.80
  4. Step 4: Simplify right side
    6,125.15x = 29,356,134.05
  5. Step 5: Solve for x
    x = 29,356,134.05/6,125.15
  6. Step 6: Final answer
    x = 4,792.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.