Home / 5,030.30-7,548.39-2,108.38

Finding the Fourth Proportional to 5,030.30, 7,548.39 and 2,108.38

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Solution

The fourth proportional to 5,030.30, 7,548.39 and 2,108.38 is: 3,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.30 : 7,548.39 = 2,108.38 : x
  2. Step 2: Convert to fraction form
    5,030.30/7,548.39 = 2,108.38/x
  3. Step 3: Cross multiply
    5,030.30x = 7,548.39 × 2,108.38
  4. Step 4: Simplify right side
    5,030.30x = 15,914,874.51
  5. Step 5: Solve for x
    x = 15,914,874.51/5,030.30
  6. Step 6: Final answer
    x = 3,163.80

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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.