Home / 6,840.30-10,256.62-2,159.44

Finding the Fourth Proportional to 6,840.30, 10,256.62 and 2,159.44

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Solution

The fourth proportional to 6,840.30, 10,256.62 and 2,159.44 is: 3,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.30 : 10,256.62 = 2,159.44 : x
  2. Step 2: Convert to fraction form
    6,840.30/10,256.62 = 2,159.44/x
  3. Step 3: Cross multiply
    6,840.30x = 10,256.62 × 2,159.44
  4. Step 4: Simplify right side
    6,840.30x = 22,148,555.49
  5. Step 5: Solve for x
    x = 22,148,555.49/6,840.30
  6. Step 6: Final answer
    x = 3,237.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.