Home / 6,419.34-8,859.51-3,625.38

Finding the Fourth Proportional to 6,419.34, 8,859.51 and 3,625.38

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Solution

The fourth proportional to 6,419.34, 8,859.51 and 3,625.38 is: 5,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.34 : 8,859.51 = 3,625.38 : x
  2. Step 2: Convert to fraction form
    6,419.34/8,859.51 = 3,625.38/x
  3. Step 3: Cross multiply
    6,419.34x = 8,859.51 × 3,625.38
  4. Step 4: Simplify right side
    6,419.34x = 32,119,090.36
  5. Step 5: Solve for x
    x = 32,119,090.36/6,419.34
  6. Step 6: Final answer
    x = 5,003.49

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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.