Home / 7,377.24-11,064.95-2,990.49

Finding the Fourth Proportional to 7,377.24, 11,064.95 and 2,990.49

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Solution

The fourth proportional to 7,377.24, 11,064.95 and 2,990.49 is: 4,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.24 : 11,064.95 = 2,990.49 : x
  2. Step 2: Convert to fraction form
    7,377.24/11,064.95 = 2,990.49/x
  3. Step 3: Cross multiply
    7,377.24x = 11,064.95 × 2,990.49
  4. Step 4: Simplify right side
    7,377.24x = 33,089,577.09
  5. Step 5: Solve for x
    x = 33,089,577.09/7,377.24
  6. Step 6: Final answer
    x = 4,485.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.