Home / 6,450.89-8,901.92-4,208.41

Finding the Fourth Proportional to 6,450.89, 8,901.92 and 4,208.41

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Solution

The fourth proportional to 6,450.89, 8,901.92 and 4,208.41 is: 5,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.89 : 8,901.92 = 4,208.41 : x
  2. Step 2: Convert to fraction form
    6,450.89/8,901.92 = 4,208.41/x
  3. Step 3: Cross multiply
    6,450.89x = 8,901.92 × 4,208.41
  4. Step 4: Simplify right side
    6,450.89x = 37,462,863.60
  5. Step 5: Solve for x
    x = 37,462,863.60/6,450.89
  6. Step 6: Final answer
    x = 5,807.39

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Half scale
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Double scale
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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.