Home / 8,509.07-12,765.67-2,961.63

Finding the Fourth Proportional to 8,509.07, 12,765.67 and 2,961.63

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Solution

The fourth proportional to 8,509.07, 12,765.67 and 2,961.63 is: 4,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.07 : 12,765.67 = 2,961.63 : x
  2. Step 2: Convert to fraction form
    8,509.07/12,765.67 = 2,961.63/x
  3. Step 3: Cross multiply
    8,509.07x = 12,765.67 × 2,961.63
  4. Step 4: Simplify right side
    8,509.07x = 37,807,183.84
  5. Step 5: Solve for x
    x = 37,807,183.84/8,509.07
  6. Step 6: Final answer
    x = 4,443.16

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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.