Home / 6,431.20-8,883.39-4,438.24

Finding the Fourth Proportional to 6,431.20, 8,883.39 and 4,438.24

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Solution

The fourth proportional to 6,431.20, 8,883.39 and 4,438.24 is: 6,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.20 : 8,883.39 = 4,438.24 : x
  2. Step 2: Convert to fraction form
    6,431.20/8,883.39 = 4,438.24/x
  3. Step 3: Cross multiply
    6,431.20x = 8,883.39 × 4,438.24
  4. Step 4: Simplify right side
    6,431.20x = 39,426,616.83
  5. Step 5: Solve for x
    x = 39,426,616.83/6,431.20
  6. Step 6: Final answer
    x = 6,130.52

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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.