Home / 4,209.36-6,314.76-2,130.36

Finding the Fourth Proportional to 4,209.36, 6,314.76 and 2,130.36

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Solution

The fourth proportional to 4,209.36, 6,314.76 and 2,130.36 is: 3,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.36 : 6,314.76 = 2,130.36 : x
  2. Step 2: Convert to fraction form
    4,209.36/6,314.76 = 2,130.36/x
  3. Step 3: Cross multiply
    4,209.36x = 6,314.76 × 2,130.36
  4. Step 4: Simplify right side
    4,209.36x = 13,452,712.11
  5. Step 5: Solve for x
    x = 13,452,712.11/4,209.36
  6. Step 6: Final answer
    x = 3,195.90

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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.