Home / 8,440.24-11,647.88-4,663.60

Finding the Fourth Proportional to 8,440.24, 11,647.88 and 4,663.60

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Solution

The fourth proportional to 8,440.24, 11,647.88 and 4,663.60 is: 6,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.24 : 11,647.88 = 4,663.60 : x
  2. Step 2: Convert to fraction form
    8,440.24/11,647.88 = 4,663.60/x
  3. Step 3: Cross multiply
    8,440.24x = 11,647.88 × 4,663.60
  4. Step 4: Simplify right side
    8,440.24x = 54,321,053.17
  5. Step 5: Solve for x
    x = 54,321,053.17/8,440.24
  6. Step 6: Final answer
    x = 6,435.96

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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.