Home / 7,992.38-11,029.50-4,455.52

Finding the Fourth Proportional to 7,992.38, 11,029.50 and 4,455.52

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Solution

The fourth proportional to 7,992.38, 11,029.50 and 4,455.52 is: 6,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.38 : 11,029.50 = 4,455.52 : x
  2. Step 2: Convert to fraction form
    7,992.38/11,029.50 = 4,455.52/x
  3. Step 3: Cross multiply
    7,992.38x = 11,029.50 × 4,455.52
  4. Step 4: Simplify right side
    7,992.38x = 49,142,130.27
  5. Step 5: Solve for x
    x = 49,142,130.27/7,992.38
  6. Step 6: Final answer
    x = 6,148.62

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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.