Home / 4,178.49-5,764.28-3,515.10

Finding the Fourth Proportional to 4,178.49, 5,764.28 and 3,515.10

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Solution

The fourth proportional to 4,178.49, 5,764.28 and 3,515.10 is: 4,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.49 : 5,764.28 = 3,515.10 : x
  2. Step 2: Convert to fraction form
    4,178.49/5,764.28 = 3,515.10/x
  3. Step 3: Cross multiply
    4,178.49x = 5,764.28 × 3,515.10
  4. Step 4: Simplify right side
    4,178.49x = 20,262,003.05
  5. Step 5: Solve for x
    x = 20,262,003.05/4,178.49
  6. Step 6: Final answer
    x = 4,849.12

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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.