Home / 4,919.28-7,386.39-4,233.48

Finding the Fourth Proportional to 4,919.28, 7,386.39 and 4,233.48

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Solution

The fourth proportional to 4,919.28, 7,386.39 and 4,233.48 is: 6,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.28 : 7,386.39 = 4,233.48 : x
  2. Step 2: Convert to fraction form
    4,919.28/7,386.39 = 4,233.48/x
  3. Step 3: Cross multiply
    4,919.28x = 7,386.39 × 4,233.48
  4. Step 4: Simplify right side
    4,919.28x = 31,270,134.34
  5. Step 5: Solve for x
    x = 31,270,134.34/4,919.28
  6. Step 6: Final answer
    x = 6,356.65

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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.