Home / 5,455.26-7,528.37-3,097.40

Finding the Fourth Proportional to 5,455.26, 7,528.37 and 3,097.40

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Solution

The fourth proportional to 5,455.26, 7,528.37 and 3,097.40 is: 4,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.26 : 7,528.37 = 3,097.40 : x
  2. Step 2: Convert to fraction form
    5,455.26/7,528.37 = 3,097.40/x
  3. Step 3: Cross multiply
    5,455.26x = 7,528.37 × 3,097.40
  4. Step 4: Simplify right side
    5,455.26x = 23,318,320.11
  5. Step 5: Solve for x
    x = 23,318,320.11/5,455.26
  6. Step 6: Final answer
    x = 4,274.47

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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.