Home / 7,370.81-11,056.14-2,987.22

Finding the Fourth Proportional to 7,370.81, 11,056.14 and 2,987.22

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Solution

The fourth proportional to 7,370.81, 11,056.14 and 2,987.22 is: 4,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.81 : 11,056.14 = 2,987.22 : x
  2. Step 2: Convert to fraction form
    7,370.81/11,056.14 = 2,987.22/x
  3. Step 3: Cross multiply
    7,370.81x = 11,056.14 × 2,987.22
  4. Step 4: Simplify right side
    7,370.81x = 33,027,122.53
  5. Step 5: Solve for x
    x = 33,027,122.53/7,370.81
  6. Step 6: Final answer
    x = 4,480.80

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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.