Home / 4,139.09-6,206.65-1,607.36

Finding the Fourth Proportional to 4,139.09, 6,206.65 and 1,607.36

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Solution

The fourth proportional to 4,139.09, 6,206.65 and 1,607.36 is: 2,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.09 : 6,206.65 = 1,607.36 : x
  2. Step 2: Convert to fraction form
    4,139.09/6,206.65 = 1,607.36/x
  3. Step 3: Cross multiply
    4,139.09x = 6,206.65 × 1,607.36
  4. Step 4: Simplify right side
    4,139.09x = 9,976,320.94
  5. Step 5: Solve for x
    x = 9,976,320.94/4,139.09
  6. Step 6: Final answer
    x = 2,410.27

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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.