Home / 7,043.12-9,716.46-4,247

Finding the Fourth Proportional to 7,043.12, 9,716.46 and 4,247

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Solution

The fourth proportional to 7,043.12, 9,716.46 and 4,247 is: 5,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.12 : 9,716.46 = 4,247 : x
  2. Step 2: Convert to fraction form
    7,043.12/9,716.46 = 4,247/x
  3. Step 3: Cross multiply
    7,043.12x = 9,716.46 × 4,247
  4. Step 4: Simplify right side
    7,043.12x = 41,265,805.62
  5. Step 5: Solve for x
    x = 41,265,805.62/7,043.12
  6. Step 6: Final answer
    x = 5,859.02

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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.