Home / 6,361.28-8,773.36-4,479.10

Finding the Fourth Proportional to 6,361.28, 8,773.36 and 4,479.10

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Solution

The fourth proportional to 6,361.28, 8,773.36 and 4,479.10 is: 6,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.28 : 8,773.36 = 4,479.10 : x
  2. Step 2: Convert to fraction form
    6,361.28/8,773.36 = 4,479.10/x
  3. Step 3: Cross multiply
    6,361.28x = 8,773.36 × 4,479.10
  4. Step 4: Simplify right side
    6,361.28x = 39,296,756.78
  5. Step 5: Solve for x
    x = 39,296,756.78/6,361.28
  6. Step 6: Final answer
    x = 6,177.49

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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.