Home / 7,832.70-10,809.14-4,247.64

Finding the Fourth Proportional to 7,832.70, 10,809.14 and 4,247.64

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Solution

The fourth proportional to 7,832.70, 10,809.14 and 4,247.64 is: 5,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.70 : 10,809.14 = 4,247.64 : x
  2. Step 2: Convert to fraction form
    7,832.70/10,809.14 = 4,247.64/x
  3. Step 3: Cross multiply
    7,832.70x = 10,809.14 × 4,247.64
  4. Step 4: Simplify right side
    7,832.70x = 45,913,314.19
  5. Step 5: Solve for x
    x = 45,913,314.19/7,832.70
  6. Step 6: Final answer
    x = 5,861.75

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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.