Home / 4,083.30-6,126.30-1,310.40

Finding the Fourth Proportional to 4,083.30, 6,126.30 and 1,310.40

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Solution

The fourth proportional to 4,083.30, 6,126.30 and 1,310.40 is: 1,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.30 : 6,126.30 = 1,310.40 : x
  2. Step 2: Convert to fraction form
    4,083.30/6,126.30 = 1,310.40/x
  3. Step 3: Cross multiply
    4,083.30x = 6,126.30 × 1,310.40
  4. Step 4: Simplify right side
    4,083.30x = 8,027,903.52
  5. Step 5: Solve for x
    x = 8,027,903.52/4,083.30
  6. Step 6: Final answer
    x = 1,966.03

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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.