Home / 5,528.57-7,629.59-3,171.17

Finding the Fourth Proportional to 5,528.57, 7,629.59 and 3,171.17

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Solution

The fourth proportional to 5,528.57, 7,629.59 and 3,171.17 is: 4,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.57 : 7,629.59 = 3,171.17 : x
  2. Step 2: Convert to fraction form
    5,528.57/7,629.59 = 3,171.17/x
  3. Step 3: Cross multiply
    5,528.57x = 7,629.59 × 3,171.17
  4. Step 4: Simplify right side
    5,528.57x = 24,194,711.06
  5. Step 5: Solve for x
    x = 24,194,711.06/5,528.57
  6. Step 6: Final answer
    x = 4,376.31

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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.