Home / 4,797.55-7,195.79-1,287.85

Finding the Fourth Proportional to 4,797.55, 7,195.79 and 1,287.85

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Solution

The fourth proportional to 4,797.55, 7,195.79 and 1,287.85 is: 1,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.55 : 7,195.79 = 1,287.85 : x
  2. Step 2: Convert to fraction form
    4,797.55/7,195.79 = 1,287.85/x
  3. Step 3: Cross multiply
    4,797.55x = 7,195.79 × 1,287.85
  4. Step 4: Simplify right side
    4,797.55x = 9,267,089.63
  5. Step 5: Solve for x
    x = 9,267,089.63/4,797.55
  6. Step 6: Final answer
    x = 1,931.63

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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.