Home / 4,360.64-6,540.95-1,438.56

Finding the Fourth Proportional to 4,360.64, 6,540.95 and 1,438.56

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Solution

The fourth proportional to 4,360.64, 6,540.95 and 1,438.56 is: 2,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.64 : 6,540.95 = 1,438.56 : x
  2. Step 2: Convert to fraction form
    4,360.64/6,540.95 = 1,438.56/x
  3. Step 3: Cross multiply
    4,360.64x = 6,540.95 × 1,438.56
  4. Step 4: Simplify right side
    4,360.64x = 9,409,552.63
  5. Step 5: Solve for x
    x = 9,409,552.63/4,360.64
  6. Step 6: Final answer
    x = 2,157.84

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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.