Home / 4,218.14-6,325.99-1,256.45

Finding the Fourth Proportional to 4,218.14, 6,325.99 and 1,256.45

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Solution

The fourth proportional to 4,218.14, 6,325.99 and 1,256.45 is: 1,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.14 : 6,325.99 = 1,256.45 : x
  2. Step 2: Convert to fraction form
    4,218.14/6,325.99 = 1,256.45/x
  3. Step 3: Cross multiply
    4,218.14x = 6,325.99 × 1,256.45
  4. Step 4: Simplify right side
    4,218.14x = 7,948,255.36
  5. Step 5: Solve for x
    x = 7,948,255.36/4,218.14
  6. Step 6: Final answer
    x = 1,884.30

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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.