Home / 6,857.74-9,463.26-3,873.70

Finding the Fourth Proportional to 6,857.74, 9,463.26 and 3,873.70

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Solution

The fourth proportional to 6,857.74, 9,463.26 and 3,873.70 is: 5,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.74 : 9,463.26 = 3,873.70 : x
  2. Step 2: Convert to fraction form
    6,857.74/9,463.26 = 3,873.70/x
  3. Step 3: Cross multiply
    6,857.74x = 9,463.26 × 3,873.70
  4. Step 4: Simplify right side
    6,857.74x = 36,657,830.26
  5. Step 5: Solve for x
    x = 36,657,830.26/6,857.74
  6. Step 6: Final answer
    x = 5,345.47

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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.