Home / 6,419.07-9,628.58-2,036.87

Finding the Fourth Proportional to 6,419.07, 9,628.58 and 2,036.87

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Solution

The fourth proportional to 6,419.07, 9,628.58 and 2,036.87 is: 3,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.07 : 9,628.58 = 2,036.87 : x
  2. Step 2: Convert to fraction form
    6,419.07/9,628.58 = 2,036.87/x
  3. Step 3: Cross multiply
    6,419.07x = 9,628.58 × 2,036.87
  4. Step 4: Simplify right side
    6,419.07x = 19,612,129.29
  5. Step 5: Solve for x
    x = 19,612,129.29/6,419.07
  6. Step 6: Final answer
    x = 3,055.29

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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.