Home / 4,341.45-6,512.09-1,221.42

Finding the Fourth Proportional to 4,341.45, 6,512.09 and 1,221.42

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Solution

The fourth proportional to 4,341.45, 6,512.09 and 1,221.42 is: 1,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.45 : 6,512.09 = 1,221.42 : x
  2. Step 2: Convert to fraction form
    4,341.45/6,512.09 = 1,221.42/x
  3. Step 3: Cross multiply
    4,341.45x = 6,512.09 × 1,221.42
  4. Step 4: Simplify right side
    4,341.45x = 7,953,990.86
  5. Step 5: Solve for x
    x = 7,953,990.86/4,341.45
  6. Step 6: Final answer
    x = 1,832.10

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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.