Home / 7,436.21-10,236.21-6,427.45

Finding the Fourth Proportional to 7,436.21, 10,236.21 and 6,427.45

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Solution

The fourth proportional to 7,436.21, 10,236.21 and 6,427.45 is: 8,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.21 : 10,236.21 = 6,427.45 : x
  2. Step 2: Convert to fraction form
    7,436.21/10,236.21 = 6,427.45/x
  3. Step 3: Cross multiply
    7,436.21x = 10,236.21 × 6,427.45
  4. Step 4: Simplify right side
    7,436.21x = 65,792,727.96
  5. Step 5: Solve for x
    x = 65,792,727.96/7,436.21
  6. Step 6: Final answer
    x = 8,847.62

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Half 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.