Home / 6,400.56-8,833.98-3,606.06

Finding the Fourth Proportional to 6,400.56, 8,833.98 and 3,606.06

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Solution

The fourth proportional to 6,400.56, 8,833.98 and 3,606.06 is: 4,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.56 : 8,833.98 = 3,606.06 : x
  2. Step 2: Convert to fraction form
    6,400.56/8,833.98 = 3,606.06/x
  3. Step 3: Cross multiply
    6,400.56x = 8,833.98 × 3,606.06
  4. Step 4: Simplify right side
    6,400.56x = 31,855,861.92
  5. Step 5: Solve for x
    x = 31,855,861.92/6,400.56
  6. Step 6: Final answer
    x = 4,977.04

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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.