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Finding the Fourth Proportional to 4,014.90, 6,015.15 and 3,438.90

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Solution

The fourth proportional to 4,014.90, 6,015.15 and 3,438.90 is: 5,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014.90 : 6,015.15 = 3,438.90 : x
  2. Step 2: Convert to fraction form
    4,014.90/6,015.15 = 3,438.90/x
  3. Step 3: Cross multiply
    4,014.90x = 6,015.15 × 3,438.90
  4. Step 4: Simplify right side
    4,014.90x = 20,685,499.34
  5. Step 5: Solve for x
    x = 20,685,499.34/4,014.90
  6. Step 6: Final answer
    x = 5,152.18

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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.