Home / 4,205.30-6,308.41-1,431.46

Finding the Fourth Proportional to 4,205.30, 6,308.41 and 1,431.46

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Solution

The fourth proportional to 4,205.30, 6,308.41 and 1,431.46 is: 2,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.30 : 6,308.41 = 1,431.46 : x
  2. Step 2: Convert to fraction form
    4,205.30/6,308.41 = 1,431.46/x
  3. Step 3: Cross multiply
    4,205.30x = 6,308.41 × 1,431.46
  4. Step 4: Simplify right side
    4,205.30x = 9,030,236.58
  5. Step 5: Solve for x
    x = 9,030,236.58/4,205.30
  6. Step 6: Final answer
    x = 2,147.35

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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.