Home / 4,720.87-6,515.61-2,732.64

Finding the Fourth Proportional to 4,720.87, 6,515.61 and 2,732.64

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Solution

The fourth proportional to 4,720.87, 6,515.61 and 2,732.64 is: 3,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.87 : 6,515.61 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    4,720.87/6,515.61 = 2,732.64/x
  3. Step 3: Cross multiply
    4,720.87x = 6,515.61 × 2,732.64
  4. Step 4: Simplify right side
    4,720.87x = 17,804,816.51
  5. Step 5: Solve for x
    x = 17,804,816.51/4,720.87
  6. Step 6: Final answer
    x = 3,771.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.