Home / 7,801.72-11,703.68-2,535.05

Finding the Fourth Proportional to 7,801.72, 11,703.68 and 2,535.05

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Solution

The fourth proportional to 7,801.72, 11,703.68 and 2,535.05 is: 3,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.72 : 11,703.68 = 2,535.05 : x
  2. Step 2: Convert to fraction form
    7,801.72/11,703.68 = 2,535.05/x
  3. Step 3: Cross multiply
    7,801.72x = 11,703.68 × 2,535.05
  4. Step 4: Simplify right side
    7,801.72x = 29,669,413.98
  5. Step 5: Solve for x
    x = 29,669,413.98/7,801.72
  6. Step 6: Final answer
    x = 3,802.93

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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.