Home / 5,455.57-7,528.79-3,097.86

Finding the Fourth Proportional to 5,455.57, 7,528.79 and 3,097.86

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Solution

The fourth proportional to 5,455.57, 7,528.79 and 3,097.86 is: 4,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.57 : 7,528.79 = 3,097.86 : x
  2. Step 2: Convert to fraction form
    5,455.57/7,528.79 = 3,097.86/x
  3. Step 3: Cross multiply
    5,455.57x = 7,528.79 × 3,097.86
  4. Step 4: Simplify right side
    5,455.57x = 23,323,137.39
  5. Step 5: Solve for x
    x = 23,323,137.39/5,455.57
  6. Step 6: Final answer
    x = 4,275.11

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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.