Home / 5,030.64-6,940.87-3,144.14

Finding the Fourth Proportional to 5,030.64, 6,940.87 and 3,144.14

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Solution

The fourth proportional to 5,030.64, 6,940.87 and 3,144.14 is: 4,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.64 : 6,940.87 = 3,144.14 : x
  2. Step 2: Convert to fraction form
    5,030.64/6,940.87 = 3,144.14/x
  3. Step 3: Cross multiply
    5,030.64x = 6,940.87 × 3,144.14
  4. Step 4: Simplify right side
    5,030.64x = 21,823,074.86
  5. Step 5: Solve for x
    x = 21,823,074.86/5,030.64
  6. Step 6: Final answer
    x = 4,338.03

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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.