Home / 8,441.23-11,648.30-4,664.35

Finding the Fourth Proportional to 8,441.23, 11,648.30 and 4,664.35

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Solution

The fourth proportional to 8,441.23, 11,648.30 and 4,664.35 is: 6,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.23 : 11,648.30 = 4,664.35 : x
  2. Step 2: Convert to fraction form
    8,441.23/11,648.30 = 4,664.35/x
  3. Step 3: Cross multiply
    8,441.23x = 11,648.30 × 4,664.35
  4. Step 4: Simplify right side
    8,441.23x = 54,331,748.11
  5. Step 5: Solve for x
    x = 54,331,748.11/8,441.23
  6. Step 6: Final answer
    x = 6,436.47

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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.