Home / 6,404.12-8,837.70-3,571.76

Finding the Fourth Proportional to 6,404.12, 8,837.70 and 3,571.76

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Solution

The fourth proportional to 6,404.12, 8,837.70 and 3,571.76 is: 4,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.12 : 8,837.70 = 3,571.76 : x
  2. Step 2: Convert to fraction form
    6,404.12/8,837.70 = 3,571.76/x
  3. Step 3: Cross multiply
    6,404.12x = 8,837.70 × 3,571.76
  4. Step 4: Simplify right side
    6,404.12x = 31,566,143.35
  5. Step 5: Solve for x
    x = 31,566,143.35/6,404.12
  6. Step 6: Final answer
    x = 4,929.04

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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.