Home / 5,426.72-8,140.67-1,727.65

Finding the Fourth Proportional to 5,426.72, 8,140.67 and 1,727.65

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Solution

The fourth proportional to 5,426.72, 8,140.67 and 1,727.65 is: 2,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.72 : 8,140.67 = 1,727.65 : x
  2. Step 2: Convert to fraction form
    5,426.72/8,140.67 = 1,727.65/x
  3. Step 3: Cross multiply
    5,426.72x = 8,140.67 × 1,727.65
  4. Step 4: Simplify right side
    5,426.72x = 14,064,228.53
  5. Step 5: Solve for x
    x = 14,064,228.53/5,426.72
  6. Step 6: Final answer
    x = 2,591.66

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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.