Home / 5,149.43-7,100.86-4,405.85

Finding the Fourth Proportional to 5,149.43, 7,100.86 and 4,405.85

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Solution

The fourth proportional to 5,149.43, 7,100.86 and 4,405.85 is: 6,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.43 : 7,100.86 = 4,405.85 : x
  2. Step 2: Convert to fraction form
    5,149.43/7,100.86 = 4,405.85/x
  3. Step 3: Cross multiply
    5,149.43x = 7,100.86 × 4,405.85
  4. Step 4: Simplify right side
    5,149.43x = 31,285,277.51
  5. Step 5: Solve for x
    x = 31,285,277.51/5,149.43
  6. Step 6: Final answer
    x = 6,075.49

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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.