Home / 5,115.88-7,673.80-1,606.16

Finding the Fourth Proportional to 5,115.88, 7,673.80 and 1,606.16

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Solution

The fourth proportional to 5,115.88, 7,673.80 and 1,606.16 is: 2,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.88 : 7,673.80 = 1,606.16 : x
  2. Step 2: Convert to fraction form
    5,115.88/7,673.80 = 1,606.16/x
  3. Step 3: Cross multiply
    5,115.88x = 7,673.80 × 1,606.16
  4. Step 4: Simplify right side
    5,115.88x = 12,325,350.61
  5. Step 5: Solve for x
    x = 12,325,350.61/5,115.88
  6. Step 6: Final answer
    x = 2,409.23

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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.