Home / 6,400.30-8,814.03-5,496.79

Finding the Fourth Proportional to 6,400.30, 8,814.03 and 5,496.79

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Solution

The fourth proportional to 6,400.30, 8,814.03 and 5,496.79 is: 7,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.30 : 8,814.03 = 5,496.79 : x
  2. Step 2: Convert to fraction form
    6,400.30/8,814.03 = 5,496.79/x
  3. Step 3: Cross multiply
    6,400.30x = 8,814.03 × 5,496.79
  4. Step 4: Simplify right side
    6,400.30x = 48,448,871.96
  5. Step 5: Solve for x
    x = 48,448,871.96/6,400.30
  6. Step 6: Final answer
    x = 7,569.78

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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.