Home / 7,992.52-11,028.90-4,455.40

Finding the Fourth Proportional to 7,992.52, 11,028.90 and 4,455.40

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Solution

The fourth proportional to 7,992.52, 11,028.90 and 4,455.40 is: 6,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.52 : 11,028.90 = 4,455.40 : x
  2. Step 2: Convert to fraction form
    7,992.52/11,028.90 = 4,455.40/x
  3. Step 3: Cross multiply
    7,992.52x = 11,028.90 × 4,455.40
  4. Step 4: Simplify right side
    7,992.52x = 49,138,161.06
  5. Step 5: Solve for x
    x = 49,138,161.06/7,992.52
  6. Step 6: Final answer
    x = 6,148.02

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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.