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Finding the Fourth Proportional to 5,388.33, 7,435.95 and 3,030.45

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Solution

The fourth proportional to 5,388.33, 7,435.95 and 3,030.45 is: 4,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.33 : 7,435.95 = 3,030.45 : x
  2. Step 2: Convert to fraction form
    5,388.33/7,435.95 = 3,030.45/x
  3. Step 3: Cross multiply
    5,388.33x = 7,435.95 × 3,030.45
  4. Step 4: Simplify right side
    5,388.33x = 22,534,274.68
  5. Step 5: Solve for x
    x = 22,534,274.68/5,388.33
  6. Step 6: Final answer
    x = 4,182.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.