Home / 7,951.29-11,927-2,692.23

Finding the Fourth Proportional to 7,951.29, 11,927 and 2,692.23

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Solution

The fourth proportional to 7,951.29, 11,927 and 2,692.23 is: 4,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.29 : 11,927 = 2,692.23 : x
  2. Step 2: Convert to fraction form
    7,951.29/11,927 = 2,692.23/x
  3. Step 3: Cross multiply
    7,951.29x = 11,927 × 2,692.23
  4. Step 4: Simplify right side
    7,951.29x = 32,110,227.21
  5. Step 5: Solve for x
    x = 32,110,227.21/7,951.29
  6. Step 6: Final answer
    x = 4,038.37

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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.