Home / 4,738.77-7,108.13-1,276.02

Finding the Fourth Proportional to 4,738.77, 7,108.13 and 1,276.02

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Solution

The fourth proportional to 4,738.77, 7,108.13 and 1,276.02 is: 1,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.77 : 7,108.13 = 1,276.02 : x
  2. Step 2: Convert to fraction form
    4,738.77/7,108.13 = 1,276.02/x
  3. Step 3: Cross multiply
    4,738.77x = 7,108.13 × 1,276.02
  4. Step 4: Simplify right side
    4,738.77x = 9,070,109.66
  5. Step 5: Solve for x
    x = 9,070,109.66/4,738.77
  6. Step 6: Final answer
    x = 1,914.02

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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.