Home / 6,454.08-8,904.96-3,801.60

Finding the Fourth Proportional to 6,454.08, 8,904.96 and 3,801.60

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Solution

The fourth proportional to 6,454.08, 8,904.96 and 3,801.60 is: 5,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.08 : 8,904.96 = 3,801.60 : x
  2. Step 2: Convert to fraction form
    6,454.08/8,904.96 = 3,801.60/x
  3. Step 3: Cross multiply
    6,454.08x = 8,904.96 × 3,801.60
  4. Step 4: Simplify right side
    6,454.08x = 33,853,095.94
  5. Step 5: Solve for x
    x = 33,853,095.94/6,454.08
  6. Step 6: Final answer
    x = 5,245.22

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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.