Home / 8,190.49-11,302.86-4,605.46

Finding the Fourth Proportional to 8,190.49, 11,302.86 and 4,605.46

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Solution

The fourth proportional to 8,190.49, 11,302.86 and 4,605.46 is: 6,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.49 : 11,302.86 = 4,605.46 : x
  2. Step 2: Convert to fraction form
    8,190.49/11,302.86 = 4,605.46/x
  3. Step 3: Cross multiply
    8,190.49x = 11,302.86 × 4,605.46
  4. Step 4: Simplify right side
    8,190.49x = 52,054,869.62
  5. Step 5: Solve for x
    x = 52,054,869.62/8,190.49
  6. Step 6: Final answer
    x = 6,355.53

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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.