Home / 4,231.50-6,347.61-1,153.50

Finding the Fourth Proportional to 4,231.50, 6,347.61 and 1,153.50

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Solution

The fourth proportional to 4,231.50, 6,347.61 and 1,153.50 is: 1,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.50 : 6,347.61 = 1,153.50 : x
  2. Step 2: Convert to fraction form
    4,231.50/6,347.61 = 1,153.50/x
  3. Step 3: Cross multiply
    4,231.50x = 6,347.61 × 1,153.50
  4. Step 4: Simplify right side
    4,231.50x = 7,321,968.14
  5. Step 5: Solve for x
    x = 7,321,968.14/4,231.50
  6. Step 6: Final answer
    x = 1,730.35

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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.