Home / 5,106.40-7,653.96-2,641.36

Finding the Fourth Proportional to 5,106.40, 7,653.96 and 2,641.36

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Solution

The fourth proportional to 5,106.40, 7,653.96 and 2,641.36 is: 3,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.40 : 7,653.96 = 2,641.36 : x
  2. Step 2: Convert to fraction form
    5,106.40/7,653.96 = 2,641.36/x
  3. Step 3: Cross multiply
    5,106.40x = 7,653.96 × 2,641.36
  4. Step 4: Simplify right side
    5,106.40x = 20,216,863.79
  5. Step 5: Solve for x
    x = 20,216,863.79/5,106.40
  6. Step 6: Final answer
    x = 3,959.12

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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.