Home / 6,400.85-9,586.52-6,179.21

Finding the Fourth Proportional to 6,400.85, 9,586.52 and 6,179.21

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Solution

The fourth proportional to 6,400.85, 9,586.52 and 6,179.21 is: 9,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.85 : 9,586.52 = 6,179.21 : x
  2. Step 2: Convert to fraction form
    6,400.85/9,586.52 = 6,179.21/x
  3. Step 3: Cross multiply
    6,400.85x = 9,586.52 × 6,179.21
  4. Step 4: Simplify right side
    6,400.85x = 59,237,170.87
  5. Step 5: Solve for x
    x = 59,237,170.87/6,400.85
  6. Step 6: Final answer
    x = 9,254.58

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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.