Home / 5,405.52-7,459.64-3,047.66

Finding the Fourth Proportional to 5,405.52, 7,459.64 and 3,047.66

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Solution

The fourth proportional to 5,405.52, 7,459.64 and 3,047.66 is: 4,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.52 : 7,459.64 = 3,047.66 : x
  2. Step 2: Convert to fraction form
    5,405.52/7,459.64 = 3,047.66/x
  3. Step 3: Cross multiply
    5,405.52x = 7,459.64 × 3,047.66
  4. Step 4: Simplify right side
    5,405.52x = 22,734,393.91
  5. Step 5: Solve for x
    x = 22,734,393.91/5,405.52
  6. Step 6: Final answer
    x = 4,205.77

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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.