Home / 7,378.51-11,063.66-2,990.84

Finding the Fourth Proportional to 7,378.51, 11,063.66 and 2,990.84

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Solution

The fourth proportional to 7,378.51, 11,063.66 and 2,990.84 is: 4,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.51 : 11,063.66 = 2,990.84 : x
  2. Step 2: Convert to fraction form
    7,378.51/11,063.66 = 2,990.84/x
  3. Step 3: Cross multiply
    7,378.51x = 11,063.66 × 2,990.84
  4. Step 4: Simplify right side
    7,378.51x = 33,089,588.47
  5. Step 5: Solve for x
    x = 33,089,588.47/7,378.51
  6. Step 6: Final answer
    x = 4,484.59

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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.