Home / 5,097.60-7,640.24-2,320.47

Finding the Fourth Proportional to 5,097.60, 7,640.24 and 2,320.47

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Solution

The fourth proportional to 5,097.60, 7,640.24 and 2,320.47 is: 3,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.60 : 7,640.24 = 2,320.47 : x
  2. Step 2: Convert to fraction form
    5,097.60/7,640.24 = 2,320.47/x
  3. Step 3: Cross multiply
    5,097.60x = 7,640.24 × 2,320.47
  4. Step 4: Simplify right side
    5,097.60x = 17,728,936.11
  5. Step 5: Solve for x
    x = 17,728,936.11/5,097.60
  6. Step 6: Final answer
    x = 3,477.90

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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.