Home / 5,292.90-7,926.72-2,947.08

Finding the Fourth Proportional to 5,292.90, 7,926.72 and 2,947.08

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Solution

The fourth proportional to 5,292.90, 7,926.72 and 2,947.08 is: 4,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.90 : 7,926.72 = 2,947.08 : x
  2. Step 2: Convert to fraction form
    5,292.90/7,926.72 = 2,947.08/x
  3. Step 3: Cross multiply
    5,292.90x = 7,926.72 × 2,947.08
  4. Step 4: Simplify right side
    5,292.90x = 23,360,677.98
  5. Step 5: Solve for x
    x = 23,360,677.98/5,292.90
  6. Step 6: Final answer
    x = 4,413.59

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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.