Home / 5,455.41-7,529.10-3,097.89

Finding the Fourth Proportional to 5,455.41, 7,529.10 and 3,097.89

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Solution

The fourth proportional to 5,455.41, 7,529.10 and 3,097.89 is: 4,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.41 : 7,529.10 = 3,097.89 : x
  2. Step 2: Convert to fraction form
    5,455.41/7,529.10 = 3,097.89/x
  3. Step 3: Cross multiply
    5,455.41x = 7,529.10 × 3,097.89
  4. Step 4: Simplify right side
    5,455.41x = 23,324,323.60
  5. Step 5: Solve for x
    x = 23,324,323.60/5,455.41
  6. Step 6: Final answer
    x = 4,275.45

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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.