Home / 8,690.56-13,036.70-2,450.56

Finding the Fourth Proportional to 8,690.56, 13,036.70 and 2,450.56

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Solution

The fourth proportional to 8,690.56, 13,036.70 and 2,450.56 is: 3,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.56 : 13,036.70 = 2,450.56 : x
  2. Step 2: Convert to fraction form
    8,690.56/13,036.70 = 2,450.56/x
  3. Step 3: Cross multiply
    8,690.56x = 13,036.70 × 2,450.56
  4. Step 4: Simplify right side
    8,690.56x = 31,947,215.55
  5. Step 5: Solve for x
    x = 31,947,215.55/8,690.56
  6. Step 6: Final answer
    x = 3,676.08

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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.