Home / 8,267.98-11,405.43-5,237.75

Finding the Fourth Proportional to 8,267.98, 11,405.43 and 5,237.75

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Solution

The fourth proportional to 8,267.98, 11,405.43 and 5,237.75 is: 7,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.98 : 11,405.43 = 5,237.75 : x
  2. Step 2: Convert to fraction form
    8,267.98/11,405.43 = 5,237.75/x
  3. Step 3: Cross multiply
    8,267.98x = 11,405.43 × 5,237.75
  4. Step 4: Simplify right side
    8,267.98x = 59,738,733.96
  5. Step 5: Solve for x
    x = 59,738,733.96/8,267.98
  6. Step 6: Final answer
    x = 7,225.32

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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.