Home / 4,108.56-5,679-3,070.32

Finding the Fourth Proportional to 4,108.56, 5,679 and 3,070.32

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Solution

The fourth proportional to 4,108.56, 5,679 and 3,070.32 is: 4,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.56 : 5,679 = 3,070.32 : x
  2. Step 2: Convert to fraction form
    4,108.56/5,679 = 3,070.32/x
  3. Step 3: Cross multiply
    4,108.56x = 5,679 × 3,070.32
  4. Step 4: Simplify right side
    4,108.56x = 17,436,347.28
  5. Step 5: Solve for x
    x = 17,436,347.28/4,108.56
  6. Step 6: Final answer
    x = 4,243.91

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1.5x scale

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.