Home / 5,454.07-7,528.32-3,097.78

Finding the Fourth Proportional to 5,454.07, 7,528.32 and 3,097.78

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Solution

The fourth proportional to 5,454.07, 7,528.32 and 3,097.78 is: 4,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.07 : 7,528.32 = 3,097.78 : x
  2. Step 2: Convert to fraction form
    5,454.07/7,528.32 = 3,097.78/x
  3. Step 3: Cross multiply
    5,454.07x = 7,528.32 × 3,097.78
  4. Step 4: Simplify right side
    5,454.07x = 23,321,079.13
  5. Step 5: Solve for x
    x = 23,321,079.13/5,454.07
  6. Step 6: Final answer
    x = 4,275.90

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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.