Home / 6,419.01-8,858.28-3,693.96

Finding the Fourth Proportional to 6,419.01, 8,858.28 and 3,693.96

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Solution

The fourth proportional to 6,419.01, 8,858.28 and 3,693.96 is: 5,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.01 : 8,858.28 = 3,693.96 : x
  2. Step 2: Convert to fraction form
    6,419.01/8,858.28 = 3,693.96/x
  3. Step 3: Cross multiply
    6,419.01x = 8,858.28 × 3,693.96
  4. Step 4: Simplify right side
    6,419.01x = 32,722,131.99
  5. Step 5: Solve for x
    x = 32,722,131.99/6,419.01
  6. Step 6: Final answer
    x = 5,097.69

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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.