Home / 7,990.13-11,026.40-4,453.27

Finding the Fourth Proportional to 7,990.13, 11,026.40 and 4,453.27

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Solution

The fourth proportional to 7,990.13, 11,026.40 and 4,453.27 is: 6,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.13 : 11,026.40 = 4,453.27 : x
  2. Step 2: Convert to fraction form
    7,990.13/11,026.40 = 4,453.27/x
  3. Step 3: Cross multiply
    7,990.13x = 11,026.40 × 4,453.27
  4. Step 4: Simplify right side
    7,990.13x = 49,103,486.50
  5. Step 5: Solve for x
    x = 49,103,486.50/7,990.13
  6. Step 6: Final answer
    x = 6,145.52

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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.