Home / 6,712.10-10,057.15-3,420.66

Finding the Fourth Proportional to 6,712.10, 10,057.15 and 3,420.66

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Solution

The fourth proportional to 6,712.10, 10,057.15 and 3,420.66 is: 5,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.10 : 10,057.15 = 3,420.66 : x
  2. Step 2: Convert to fraction form
    6,712.10/10,057.15 = 3,420.66/x
  3. Step 3: Cross multiply
    6,712.10x = 10,057.15 × 3,420.66
  4. Step 4: Simplify right side
    6,712.10x = 34,402,090.72
  5. Step 5: Solve for x
    x = 34,402,090.72/6,712.10
  6. Step 6: Final answer
    x = 5,125.38

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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.