Home / 4,720.28-7,081.43-1,433.63

Finding the Fourth Proportional to 4,720.28, 7,081.43 and 1,433.63

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Solution

The fourth proportional to 4,720.28, 7,081.43 and 1,433.63 is: 2,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.28 : 7,081.43 = 1,433.63 : x
  2. Step 2: Convert to fraction form
    4,720.28/7,081.43 = 1,433.63/x
  3. Step 3: Cross multiply
    4,720.28x = 7,081.43 × 1,433.63
  4. Step 4: Simplify right side
    4,720.28x = 10,152,107.92
  5. Step 5: Solve for x
    x = 10,152,107.92/4,720.28
  6. Step 6: Final answer
    x = 2,150.75

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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.