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Finding the Fourth Proportional to 4,907.39, 6,772.23 and 2,669.29

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Solution

The fourth proportional to 4,907.39, 6,772.23 and 2,669.29 is: 3,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.39 : 6,772.23 = 2,669.29 : x
  2. Step 2: Convert to fraction form
    4,907.39/6,772.23 = 2,669.29/x
  3. Step 3: Cross multiply
    4,907.39x = 6,772.23 × 2,669.29
  4. Step 4: Simplify right side
    4,907.39x = 18,077,045.82
  5. Step 5: Solve for x
    x = 18,077,045.82/4,907.39
  6. Step 6: Final answer
    x = 3,683.64

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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.