Home / 5,197.07-7,795.36-1,909.92

Finding the Fourth Proportional to 5,197.07, 7,795.36 and 1,909.92

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Solution

The fourth proportional to 5,197.07, 7,795.36 and 1,909.92 is: 2,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.07 : 7,795.36 = 1,909.92 : x
  2. Step 2: Convert to fraction form
    5,197.07/7,795.36 = 1,909.92/x
  3. Step 3: Cross multiply
    5,197.07x = 7,795.36 × 1,909.92
  4. Step 4: Simplify right side
    5,197.07x = 14,888,479.96
  5. Step 5: Solve for x
    x = 14,888,479.96/5,197.07
  6. Step 6: Final answer
    x = 2,864.79

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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.