Home / 6,625.37-9,139.21-4,137.05

Finding the Fourth Proportional to 6,625.37, 9,139.21 and 4,137.05

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Solution

The fourth proportional to 6,625.37, 9,139.21 and 4,137.05 is: 5,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.37 : 9,139.21 = 4,137.05 : x
  2. Step 2: Convert to fraction form
    6,625.37/9,139.21 = 4,137.05/x
  3. Step 3: Cross multiply
    6,625.37x = 9,139.21 × 4,137.05
  4. Step 4: Simplify right side
    6,625.37x = 37,809,381.24
  5. Step 5: Solve for x
    x = 37,809,381.24/6,625.37
  6. Step 6: Final answer
    x = 5,706.76

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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.