Home / 7,208.20-9,947.46-4,064.68

Finding the Fourth Proportional to 7,208.20, 9,947.46 and 4,064.68

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Solution

The fourth proportional to 7,208.20, 9,947.46 and 4,064.68 is: 5,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.20 : 9,947.46 = 4,064.68 : x
  2. Step 2: Convert to fraction form
    7,208.20/9,947.46 = 4,064.68/x
  3. Step 3: Cross multiply
    7,208.20x = 9,947.46 × 4,064.68
  4. Step 4: Simplify right side
    7,208.20x = 40,433,241.71
  5. Step 5: Solve for x
    x = 40,433,241.71/7,208.20
  6. Step 6: Final answer
    x = 5,609.34

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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.