Home / 5,367.21-7,406.74-3,009.35

Finding the Fourth Proportional to 5,367.21, 7,406.74 and 3,009.35

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Solution

The fourth proportional to 5,367.21, 7,406.74 and 3,009.35 is: 4,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.21 : 7,406.74 = 3,009.35 : x
  2. Step 2: Convert to fraction form
    5,367.21/7,406.74 = 3,009.35/x
  3. Step 3: Cross multiply
    5,367.21x = 7,406.74 × 3,009.35
  4. Step 4: Simplify right side
    5,367.21x = 22,289,473.02
  5. Step 5: Solve for x
    x = 22,289,473.02/5,367.21
  6. Step 6: Final answer
    x = 4,152.90

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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.