Home / 4,130.57-6,197.12-1,319.33

Finding the Fourth Proportional to 4,130.57, 6,197.12 and 1,319.33

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Solution

The fourth proportional to 4,130.57, 6,197.12 and 1,319.33 is: 1,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.57 : 6,197.12 = 1,319.33 : x
  2. Step 2: Convert to fraction form
    4,130.57/6,197.12 = 1,319.33/x
  3. Step 3: Cross multiply
    4,130.57x = 6,197.12 × 1,319.33
  4. Step 4: Simplify right side
    4,130.57x = 8,176,046.33
  5. Step 5: Solve for x
    x = 8,176,046.33/4,130.57
  6. Step 6: Final answer
    x = 1,979.40

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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.