Home / 6,419.35-9,629.37-2,037.15

Finding the Fourth Proportional to 6,419.35, 9,629.37 and 2,037.15

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Solution

The fourth proportional to 6,419.35, 9,629.37 and 2,037.15 is: 3,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.35 : 9,629.37 = 2,037.15 : x
  2. Step 2: Convert to fraction form
    6,419.35/9,629.37 = 2,037.15/x
  3. Step 3: Cross multiply
    6,419.35x = 9,629.37 × 2,037.15
  4. Step 4: Simplify right side
    6,419.35x = 19,616,471.10
  5. Step 5: Solve for x
    x = 19,616,471.10/6,419.35
  6. Step 6: Final answer
    x = 3,055.83

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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.