Home / 6,840.55-10,259.31-1,908.86

Finding the Fourth Proportional to 6,840.55, 10,259.31 and 1,908.86

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Solution

The fourth proportional to 6,840.55, 10,259.31 and 1,908.86 is: 2,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.55 : 10,259.31 = 1,908.86 : x
  2. Step 2: Convert to fraction form
    6,840.55/10,259.31 = 1,908.86/x
  3. Step 3: Cross multiply
    6,840.55x = 10,259.31 × 1,908.86
  4. Step 4: Simplify right side
    6,840.55x = 19,583,586.49
  5. Step 5: Solve for x
    x = 19,583,586.49/6,840.55
  6. Step 6: Final answer
    x = 2,862.87

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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.