Home / 4,359.84-6,540.72-1,438.02

Finding the Fourth Proportional to 4,359.84, 6,540.72 and 1,438.02

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Solution

The fourth proportional to 4,359.84, 6,540.72 and 1,438.02 is: 2,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.84 : 6,540.72 = 1,438.02 : x
  2. Step 2: Convert to fraction form
    4,359.84/6,540.72 = 1,438.02/x
  3. Step 3: Cross multiply
    4,359.84x = 6,540.72 × 1,438.02
  4. Step 4: Simplify right side
    4,359.84x = 9,405,686.17
  5. Step 5: Solve for x
    x = 9,405,686.17/4,359.84
  6. Step 6: Final answer
    x = 2,157.35

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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.