Home / 6,419.07-8,858.16-3,586.47

Finding the Fourth Proportional to 6,419.07, 8,858.16 and 3,586.47

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Solution

The fourth proportional to 6,419.07, 8,858.16 and 3,586.47 is: 4,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.07 : 8,858.16 = 3,586.47 : x
  2. Step 2: Convert to fraction form
    6,419.07/8,858.16 = 3,586.47/x
  3. Step 3: Cross multiply
    6,419.07x = 8,858.16 × 3,586.47
  4. Step 4: Simplify right side
    6,419.07x = 31,769,489.53
  5. Step 5: Solve for x
    x = 31,769,489.53/6,419.07
  6. Step 6: Final answer
    x = 4,949.23

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Double scale
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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.