Home / 6,851.01-9,454.39-3,866.87

Finding the Fourth Proportional to 6,851.01, 9,454.39 and 3,866.87

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Solution

The fourth proportional to 6,851.01, 9,454.39 and 3,866.87 is: 5,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.01 : 9,454.39 = 3,866.87 : x
  2. Step 2: Convert to fraction form
    6,851.01/9,454.39 = 3,866.87/x
  3. Step 3: Cross multiply
    6,851.01x = 9,454.39 × 3,866.87
  4. Step 4: Simplify right side
    6,851.01x = 36,558,897.06
  5. Step 5: Solve for x
    x = 36,558,897.06/6,851.01
  6. Step 6: Final answer
    x = 5,336.28

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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.