Home / 6,458.41-8,911.87-3,625.40

Finding the Fourth Proportional to 6,458.41, 8,911.87 and 3,625.40

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Solution

The fourth proportional to 6,458.41, 8,911.87 and 3,625.40 is: 5,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.41 : 8,911.87 = 3,625.40 : x
  2. Step 2: Convert to fraction form
    6,458.41/8,911.87 = 3,625.40/x
  3. Step 3: Cross multiply
    6,458.41x = 8,911.87 × 3,625.40
  4. Step 4: Simplify right side
    6,458.41x = 32,309,093.50
  5. Step 5: Solve for x
    x = 32,309,093.50/6,458.41
  6. Step 6: Final answer
    x = 5,002.64

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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.