Home / 4,919.06-7,378.68-1,456.32

Finding the Fourth Proportional to 4,919.06, 7,378.68 and 1,456.32

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Solution

The fourth proportional to 4,919.06, 7,378.68 and 1,456.32 is: 2,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.06 : 7,378.68 = 1,456.32 : x
  2. Step 2: Convert to fraction form
    4,919.06/7,378.68 = 1,456.32/x
  3. Step 3: Cross multiply
    4,919.06x = 7,378.68 × 1,456.32
  4. Step 4: Simplify right side
    4,919.06x = 10,745,719.26
  5. Step 5: Solve for x
    x = 10,745,719.26/4,919.06
  6. Step 6: Final answer
    x = 2,184.51

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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.