Home / 4,130.48-6,195.70-1,208.78

Finding the Fourth Proportional to 4,130.48, 6,195.70 and 1,208.78

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Solution

The fourth proportional to 4,130.48, 6,195.70 and 1,208.78 is: 1,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.48 : 6,195.70 = 1,208.78 : x
  2. Step 2: Convert to fraction form
    4,130.48/6,195.70 = 1,208.78/x
  3. Step 3: Cross multiply
    4,130.48x = 6,195.70 × 1,208.78
  4. Step 4: Simplify right side
    4,130.48x = 7,489,238.25
  5. Step 5: Solve for x
    x = 7,489,238.25/4,130.48
  6. Step 6: Final answer
    x = 1,813.16

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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.