Home / 4,330.16-6,491.88-2,770.64

Finding the Fourth Proportional to 4,330.16, 6,491.88 and 2,770.64

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Solution

The fourth proportional to 4,330.16, 6,491.88 and 2,770.64 is: 4,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.16 : 6,491.88 = 2,770.64 : x
  2. Step 2: Convert to fraction form
    4,330.16/6,491.88 = 2,770.64/x
  3. Step 3: Cross multiply
    4,330.16x = 6,491.88 × 2,770.64
  4. Step 4: Simplify right side
    4,330.16x = 17,986,662.40
  5. Step 5: Solve for x
    x = 17,986,662.40/4,330.16
  6. Step 6: Final answer
    x = 4,153.81

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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.