Home / 6,840.35-10,259.05-2,160.72

Finding the Fourth Proportional to 6,840.35, 10,259.05 and 2,160.72

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Solution

The fourth proportional to 6,840.35, 10,259.05 and 2,160.72 is: 3,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.35 : 10,259.05 = 2,160.72 : x
  2. Step 2: Convert to fraction form
    6,840.35/10,259.05 = 2,160.72/x
  3. Step 3: Cross multiply
    6,840.35x = 10,259.05 × 2,160.72
  4. Step 4: Simplify right side
    6,840.35x = 22,166,934.52
  5. Step 5: Solve for x
    x = 22,166,934.52/6,840.35
  6. Step 6: Final answer
    x = 3,240.61

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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.