Home / 4,907.39-6,776.66-3,142.06

Finding the Fourth Proportional to 4,907.39, 6,776.66 and 3,142.06

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Solution

The fourth proportional to 4,907.39, 6,776.66 and 3,142.06 is: 4,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.39 : 6,776.66 = 3,142.06 : x
  2. Step 2: Convert to fraction form
    4,907.39/6,776.66 = 3,142.06/x
  3. Step 3: Cross multiply
    4,907.39x = 6,776.66 × 3,142.06
  4. Step 4: Simplify right side
    4,907.39x = 21,292,663.23
  5. Step 5: Solve for x
    x = 21,292,663.23/4,907.39
  6. Step 6: Final answer
    x = 4,338.90

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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.