Home / 7,368.09-11,054.13-2,988.60

Finding the Fourth Proportional to 7,368.09, 11,054.13 and 2,988.60

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Solution

The fourth proportional to 7,368.09, 11,054.13 and 2,988.60 is: 4,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.09 : 11,054.13 = 2,988.60 : x
  2. Step 2: Convert to fraction form
    7,368.09/11,054.13 = 2,988.60/x
  3. Step 3: Cross multiply
    7,368.09x = 11,054.13 × 2,988.60
  4. Step 4: Simplify right side
    7,368.09x = 33,036,372.92
  5. Step 5: Solve for x
    x = 33,036,372.92/7,368.09
  6. Step 6: Final answer
    x = 4,483.71

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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.