Home / 5,335.37-8,008.98-3,145.64

Finding the Fourth Proportional to 5,335.37, 8,008.98 and 3,145.64

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Solution

The fourth proportional to 5,335.37, 8,008.98 and 3,145.64 is: 4,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.37 : 8,008.98 = 3,145.64 : x
  2. Step 2: Convert to fraction form
    5,335.37/8,008.98 = 3,145.64/x
  3. Step 3: Cross multiply
    5,335.37x = 8,008.98 × 3,145.64
  4. Step 4: Simplify right side
    5,335.37x = 25,193,316.01
  5. Step 5: Solve for x
    x = 25,193,316.01/5,335.37
  6. Step 6: Final answer
    x = 4,721.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.