Home / 4,720.49-7,081.67-2,643.44

Finding the Fourth Proportional to 4,720.49, 7,081.67 and 2,643.44

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Solution

The fourth proportional to 4,720.49, 7,081.67 and 2,643.44 is: 3,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.49 : 7,081.67 = 2,643.44 : x
  2. Step 2: Convert to fraction form
    4,720.49/7,081.67 = 2,643.44/x
  3. Step 3: Cross multiply
    4,720.49x = 7,081.67 × 2,643.44
  4. Step 4: Simplify right side
    4,720.49x = 18,719,994.06
  5. Step 5: Solve for x
    x = 18,719,994.06/4,720.49
  6. Step 6: Final answer
    x = 3,965.69

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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.