Home / 5,106.75-7,660.13-1,409.01

Finding the Fourth Proportional to 5,106.75, 7,660.13 and 1,409.01

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Solution

The fourth proportional to 5,106.75, 7,660.13 and 1,409.01 is: 2,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.75 : 7,660.13 = 1,409.01 : x
  2. Step 2: Convert to fraction form
    5,106.75/7,660.13 = 1,409.01/x
  3. Step 3: Cross multiply
    5,106.75x = 7,660.13 × 1,409.01
  4. Step 4: Simplify right side
    5,106.75x = 10,793,192.73
  5. Step 5: Solve for x
    x = 10,793,192.73/5,106.75
  6. Step 6: Final answer
    x = 2,113.52

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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.