Home / 4,113.24-5,677.16-2,620.82

Finding the Fourth Proportional to 4,113.24, 5,677.16 and 2,620.82

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Solution

The fourth proportional to 4,113.24, 5,677.16 and 2,620.82 is: 3,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.24 : 5,677.16 = 2,620.82 : x
  2. Step 2: Convert to fraction form
    4,113.24/5,677.16 = 2,620.82/x
  3. Step 3: Cross multiply
    4,113.24x = 5,677.16 × 2,620.82
  4. Step 4: Simplify right side
    4,113.24x = 14,878,772.98
  5. Step 5: Solve for x
    x = 14,878,772.98/4,113.24
  6. Step 6: Final answer
    x = 3,617.29

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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.