Home / 9,056.90-12,499.34-5,279.77

Finding the Fourth Proportional to 9,056.90, 12,499.34 and 5,279.77

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Solution

The fourth proportional to 9,056.90, 12,499.34 and 5,279.77 is: 7,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,056.90 : 12,499.34 = 5,279.77 : x
  2. Step 2: Convert to fraction form
    9,056.90/12,499.34 = 5,279.77/x
  3. Step 3: Cross multiply
    9,056.90x = 12,499.34 × 5,279.77
  4. Step 4: Simplify right side
    9,056.90x = 65,993,640.35
  5. Step 5: Solve for x
    x = 65,993,640.35/9,056.90
  6. Step 6: Final answer
    x = 7,286.56

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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.