Home / 5,197.07-7,795.37-1,909.93

Finding the Fourth Proportional to 5,197.07, 7,795.37 and 1,909.93

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Solution

The fourth proportional to 5,197.07, 7,795.37 and 1,909.93 is: 2,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.07 : 7,795.37 = 1,909.93 : x
  2. Step 2: Convert to fraction form
    5,197.07/7,795.37 = 1,909.93/x
  3. Step 3: Cross multiply
    5,197.07x = 7,795.37 × 1,909.93
  4. Step 4: Simplify right side
    5,197.07x = 14,888,572.05
  5. Step 5: Solve for x
    x = 14,888,572.05/5,197.07
  6. Step 6: Final answer
    x = 2,864.80

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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.