Home / 8,271.89-11,415.27-4,495.09

Finding the Fourth Proportional to 8,271.89, 11,415.27 and 4,495.09

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Solution

The fourth proportional to 8,271.89, 11,415.27 and 4,495.09 is: 6,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.89 : 11,415.27 = 4,495.09 : x
  2. Step 2: Convert to fraction form
    8,271.89/11,415.27 = 4,495.09/x
  3. Step 3: Cross multiply
    8,271.89x = 11,415.27 × 4,495.09
  4. Step 4: Simplify right side
    8,271.89x = 51,312,663.44
  5. Step 5: Solve for x
    x = 51,312,663.44/8,271.89
  6. Step 6: Final answer
    x = 6,203.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.