Home / 7,832.88-10,809.40-4,247.84

Finding the Fourth Proportional to 7,832.88, 10,809.40 and 4,247.84

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Solution

The fourth proportional to 7,832.88, 10,809.40 and 4,247.84 is: 5,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.88 : 10,809.40 = 4,247.84 : x
  2. Step 2: Convert to fraction form
    7,832.88/10,809.40 = 4,247.84/x
  3. Step 3: Cross multiply
    7,832.88x = 10,809.40 × 4,247.84
  4. Step 4: Simplify right side
    7,832.88x = 45,916,601.70
  5. Step 5: Solve for x
    x = 45,916,601.70/7,832.88
  6. Step 6: Final answer
    x = 5,862.03

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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.