Home / 5,615.44-8,420.72-2,982.37

Finding the Fourth Proportional to 5,615.44, 8,420.72 and 2,982.37

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Solution

The fourth proportional to 5,615.44, 8,420.72 and 2,982.37 is: 4,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.44 : 8,420.72 = 2,982.37 : x
  2. Step 2: Convert to fraction form
    5,615.44/8,420.72 = 2,982.37/x
  3. Step 3: Cross multiply
    5,615.44x = 8,420.72 × 2,982.37
  4. Step 4: Simplify right side
    5,615.44x = 25,113,702.71
  5. Step 5: Solve for x
    x = 25,113,702.71/5,615.44
  6. Step 6: Final answer
    x = 4,472.26

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1.5x scale

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.