Home / 5,040.63-7,561.62-2,118.22

Finding the Fourth Proportional to 5,040.63, 7,561.62 and 2,118.22

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Solution

The fourth proportional to 5,040.63, 7,561.62 and 2,118.22 is: 3,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.63 : 7,561.62 = 2,118.22 : x
  2. Step 2: Convert to fraction form
    5,040.63/7,561.62 = 2,118.22/x
  3. Step 3: Cross multiply
    5,040.63x = 7,561.62 × 2,118.22
  4. Step 4: Simplify right side
    5,040.63x = 16,017,155.81
  5. Step 5: Solve for x
    x = 16,017,155.81/5,040.63
  6. Step 6: Final answer
    x = 3,177.61

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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.