Home / 4,490.42-6,735.64-1,568.72

Finding the Fourth Proportional to 4,490.42, 6,735.64 and 1,568.72

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Solution

The fourth proportional to 4,490.42, 6,735.64 and 1,568.72 is: 2,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.42 : 6,735.64 = 1,568.72 : x
  2. Step 2: Convert to fraction form
    4,490.42/6,735.64 = 1,568.72/x
  3. Step 3: Cross multiply
    4,490.42x = 6,735.64 × 1,568.72
  4. Step 4: Simplify right side
    4,490.42x = 10,566,333.18
  5. Step 5: Solve for x
    x = 10,566,333.18/4,490.42
  6. Step 6: Final answer
    x = 2,353.08

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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.