Home / 5,455.83-7,529.45-3,098.13

Finding the Fourth Proportional to 5,455.83, 7,529.45 and 3,098.13

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Solution

The fourth proportional to 5,455.83, 7,529.45 and 3,098.13 is: 4,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.83 : 7,529.45 = 3,098.13 : x
  2. Step 2: Convert to fraction form
    5,455.83/7,529.45 = 3,098.13/x
  3. Step 3: Cross multiply
    5,455.83x = 7,529.45 × 3,098.13
  4. Step 4: Simplify right side
    5,455.83x = 23,327,171.20
  5. Step 5: Solve for x
    x = 23,327,171.20/5,455.83
  6. Step 6: Final answer
    x = 4,275.64

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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.