Home / 4,360.20-6,540.48-1,438.74

Finding the Fourth Proportional to 4,360.20, 6,540.48 and 1,438.74

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Solution

The fourth proportional to 4,360.20, 6,540.48 and 1,438.74 is: 2,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.20 : 6,540.48 = 1,438.74 : x
  2. Step 2: Convert to fraction form
    4,360.20/6,540.48 = 1,438.74/x
  3. Step 3: Cross multiply
    4,360.20x = 6,540.48 × 1,438.74
  4. Step 4: Simplify right side
    4,360.20x = 9,410,050.20
  5. Step 5: Solve for x
    x = 9,410,050.20/4,360.20
  6. Step 6: Final answer
    x = 2,158.17

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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.