Home / 8,305.03-12,453.31-2,756.40

Finding the Fourth Proportional to 8,305.03, 12,453.31 and 2,756.40

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Solution

The fourth proportional to 8,305.03, 12,453.31 and 2,756.40 is: 4,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.03 : 12,453.31 = 2,756.40 : x
  2. Step 2: Convert to fraction form
    8,305.03/12,453.31 = 2,756.40/x
  3. Step 3: Cross multiply
    8,305.03x = 12,453.31 × 2,756.40
  4. Step 4: Simplify right side
    8,305.03x = 34,326,260.43
  5. Step 5: Solve for x
    x = 34,326,260.43/8,305.03
  6. Step 6: Final answer
    x = 4,133.19

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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.