Home / 5,406.66-7,462.35-3,415.95

Finding the Fourth Proportional to 5,406.66, 7,462.35 and 3,415.95

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Solution

The fourth proportional to 5,406.66, 7,462.35 and 3,415.95 is: 4,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.66 : 7,462.35 = 3,415.95 : x
  2. Step 2: Convert to fraction form
    5,406.66/7,462.35 = 3,415.95/x
  3. Step 3: Cross multiply
    5,406.66x = 7,462.35 × 3,415.95
  4. Step 4: Simplify right side
    5,406.66x = 25,491,014.48
  5. Step 5: Solve for x
    x = 25,491,014.48/5,406.66
  6. Step 6: Final answer
    x = 4,714.74

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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.