Home / 5,417.56-8,124.72-1,954

Finding the Fourth Proportional to 5,417.56, 8,124.72 and 1,954

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Solution

The fourth proportional to 5,417.56, 8,124.72 and 1,954 is: 2,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.56 : 8,124.72 = 1,954 : x
  2. Step 2: Convert to fraction form
    5,417.56/8,124.72 = 1,954/x
  3. Step 3: Cross multiply
    5,417.56x = 8,124.72 × 1,954
  4. Step 4: Simplify right side
    5,417.56x = 15,875,702.88
  5. Step 5: Solve for x
    x = 15,875,702.88/5,417.56
  6. Step 6: Final answer
    x = 2,930.42

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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.