Home / 4,211.25-6,312.56-1,747.50

Finding the Fourth Proportional to 4,211.25, 6,312.56 and 1,747.50

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Solution

The fourth proportional to 4,211.25, 6,312.56 and 1,747.50 is: 2,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.25 : 6,312.56 = 1,747.50 : x
  2. Step 2: Convert to fraction form
    4,211.25/6,312.56 = 1,747.50/x
  3. Step 3: Cross multiply
    4,211.25x = 6,312.56 × 1,747.50
  4. Step 4: Simplify right side
    4,211.25x = 11,031,189.86
  5. Step 5: Solve for x
    x = 11,031,189.86/4,211.25
  6. Step 6: Final answer
    x = 2,619.46

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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.