Home / 4,130.79-6,197.10-1,208.85

Finding the Fourth Proportional to 4,130.79, 6,197.10 and 1,208.85

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Solution

The fourth proportional to 4,130.79, 6,197.10 and 1,208.85 is: 1,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.79 : 6,197.10 = 1,208.85 : x
  2. Step 2: Convert to fraction form
    4,130.79/6,197.10 = 1,208.85/x
  3. Step 3: Cross multiply
    4,130.79x = 6,197.10 × 1,208.85
  4. Step 4: Simplify right side
    4,130.79x = 7,491,364.34
  5. Step 5: Solve for x
    x = 7,491,364.34/4,130.79
  6. Step 6: Final answer
    x = 1,813.54

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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.