Home / 5,030.05-6,949.80-3,975.89

Finding the Fourth Proportional to 5,030.05, 6,949.80 and 3,975.89

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Solution

The fourth proportional to 5,030.05, 6,949.80 and 3,975.89 is: 5,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.05 : 6,949.80 = 3,975.89 : x
  2. Step 2: Convert to fraction form
    5,030.05/6,949.80 = 3,975.89/x
  3. Step 3: Cross multiply
    5,030.05x = 6,949.80 × 3,975.89
  4. Step 4: Simplify right side
    5,030.05x = 27,631,605.57
  5. Step 5: Solve for x
    x = 27,631,605.57/5,030.05
  6. Step 6: Final answer
    x = 5,493.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.