Home / 5,455.84-7,528.80-3,097.68

Finding the Fourth Proportional to 5,455.84, 7,528.80 and 3,097.68

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Solution

The fourth proportional to 5,455.84, 7,528.80 and 3,097.68 is: 4,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.84 : 7,528.80 = 3,097.68 : x
  2. Step 2: Convert to fraction form
    5,455.84/7,528.80 = 3,097.68/x
  3. Step 3: Cross multiply
    5,455.84x = 7,528.80 × 3,097.68
  4. Step 4: Simplify right side
    5,455.84x = 23,321,813.18
  5. Step 5: Solve for x
    x = 23,321,813.18/5,455.84
  6. Step 6: Final answer
    x = 4,274.65

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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.