Home / 4,271.32-6,407.36-1,151.80

Finding the Fourth Proportional to 4,271.32, 6,407.36 and 1,151.80

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Solution

The fourth proportional to 4,271.32, 6,407.36 and 1,151.80 is: 1,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.32 : 6,407.36 = 1,151.80 : x
  2. Step 2: Convert to fraction form
    4,271.32/6,407.36 = 1,151.80/x
  3. Step 3: Cross multiply
    4,271.32x = 6,407.36 × 1,151.80
  4. Step 4: Simplify right side
    4,271.32x = 7,379,997.25
  5. Step 5: Solve for x
    x = 7,379,997.25/4,271.32
  6. Step 6: Final answer
    x = 1,727.80

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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.