Home / 4,720.56-7,081.88-1,433.90

Finding the Fourth Proportional to 4,720.56, 7,081.88 and 1,433.90

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Solution

The fourth proportional to 4,720.56, 7,081.88 and 1,433.90 is: 2,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.56 : 7,081.88 = 1,433.90 : x
  2. Step 2: Convert to fraction form
    4,720.56/7,081.88 = 1,433.90/x
  3. Step 3: Cross multiply
    4,720.56x = 7,081.88 × 1,433.90
  4. Step 4: Simplify right side
    4,720.56x = 10,154,665.15
  5. Step 5: Solve for x
    x = 10,154,665.15/4,720.56
  6. Step 6: Final answer
    x = 2,151.16

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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.