Home / 5,388.35-7,436.61-3,030.53

Finding the Fourth Proportional to 5,388.35, 7,436.61 and 3,030.53

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Solution

The fourth proportional to 5,388.35, 7,436.61 and 3,030.53 is: 4,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.35 : 7,436.61 = 3,030.53 : x
  2. Step 2: Convert to fraction form
    5,388.35/7,436.61 = 3,030.53/x
  3. Step 3: Cross multiply
    5,388.35x = 7,436.61 × 3,030.53
  4. Step 4: Simplify right side
    5,388.35x = 22,536,832.52
  5. Step 5: Solve for x
    x = 22,536,832.52/5,388.35
  6. Step 6: Final answer
    x = 4,182.51

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Why These Related Problems?

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