Home / 6,454.69-9,684.77-3,857.63

Finding the Fourth Proportional to 6,454.69, 9,684.77 and 3,857.63

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Solution

The fourth proportional to 6,454.69, 9,684.77 and 3,857.63 is: 5,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.69 : 9,684.77 = 3,857.63 : x
  2. Step 2: Convert to fraction form
    6,454.69/9,684.77 = 3,857.63/x
  3. Step 3: Cross multiply
    6,454.69x = 9,684.77 × 3,857.63
  4. Step 4: Simplify right side
    6,454.69x = 37,360,191.58
  5. Step 5: Solve for x
    x = 37,360,191.58/6,454.69
  6. Step 6: Final answer
    x = 5,788.07

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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.