Home / 4,727.52-7,080.72-3,426

Finding the Fourth Proportional to 4,727.52, 7,080.72 and 3,426

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Solution

The fourth proportional to 4,727.52, 7,080.72 and 3,426 is: 5,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.52 : 7,080.72 = 3,426 : x
  2. Step 2: Convert to fraction form
    4,727.52/7,080.72 = 3,426/x
  3. Step 3: Cross multiply
    4,727.52x = 7,080.72 × 3,426
  4. Step 4: Simplify right side
    4,727.52x = 24,258,546.72
  5. Step 5: Solve for x
    x = 24,258,546.72/4,727.52
  6. Step 6: Final answer
    x = 5,131.35

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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.