Home / 7,991.34-11,026.77-4,454.07

Finding the Fourth Proportional to 7,991.34, 11,026.77 and 4,454.07

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Solution

The fourth proportional to 7,991.34, 11,026.77 and 4,454.07 is: 6,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.34 : 11,026.77 = 4,454.07 : x
  2. Step 2: Convert to fraction form
    7,991.34/11,026.77 = 4,454.07/x
  3. Step 3: Cross multiply
    7,991.34x = 11,026.77 × 4,454.07
  4. Step 4: Simplify right side
    7,991.34x = 49,114,005.45
  5. Step 5: Solve for x
    x = 49,114,005.45/7,991.34
  6. Step 6: Final answer
    x = 6,145.90

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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.