Home / 4,122.32-5,697.70-3,646.86

Finding the Fourth Proportional to 4,122.32, 5,697.70 and 3,646.86

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Solution

The fourth proportional to 4,122.32, 5,697.70 and 3,646.86 is: 5,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.32 : 5,697.70 = 3,646.86 : x
  2. Step 2: Convert to fraction form
    4,122.32/5,697.70 = 3,646.86/x
  3. Step 3: Cross multiply
    4,122.32x = 5,697.70 × 3,646.86
  4. Step 4: Simplify right side
    4,122.32x = 20,778,714.22
  5. Step 5: Solve for x
    x = 20,778,714.22/4,122.32
  6. Step 6: Final answer
    x = 5,040.54

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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.