Home / 4,378.30-6,035.35-3,115.58

Finding the Fourth Proportional to 4,378.30, 6,035.35 and 3,115.58

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Solution

The fourth proportional to 4,378.30, 6,035.35 and 3,115.58 is: 4,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.30 : 6,035.35 = 3,115.58 : x
  2. Step 2: Convert to fraction form
    4,378.30/6,035.35 = 3,115.58/x
  3. Step 3: Cross multiply
    4,378.30x = 6,035.35 × 3,115.58
  4. Step 4: Simplify right side
    4,378.30x = 18,803,615.75
  5. Step 5: Solve for x
    x = 18,803,615.75/4,378.30
  6. Step 6: Final answer
    x = 4,294.73

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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.