Home / 8,267.72-11,409.35-4,490.82

Finding the Fourth Proportional to 8,267.72, 11,409.35 and 4,490.82

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Solution

The fourth proportional to 8,267.72, 11,409.35 and 4,490.82 is: 6,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.72 : 11,409.35 = 4,490.82 : x
  2. Step 2: Convert to fraction form
    8,267.72/11,409.35 = 4,490.82/x
  3. Step 3: Cross multiply
    8,267.72x = 11,409.35 × 4,490.82
  4. Step 4: Simplify right side
    8,267.72x = 51,237,314.71
  5. Step 5: Solve for x
    x = 51,237,314.71/8,267.72
  6. Step 6: Final answer
    x = 6,197.28

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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.