Home / 8,856.09-13,285.08-3,012.75

Finding the Fourth Proportional to 8,856.09, 13,285.08 and 3,012.75

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Solution

The fourth proportional to 8,856.09, 13,285.08 and 3,012.75 is: 4,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.09 : 13,285.08 = 3,012.75 : x
  2. Step 2: Convert to fraction form
    8,856.09/13,285.08 = 3,012.75/x
  3. Step 3: Cross multiply
    8,856.09x = 13,285.08 × 3,012.75
  4. Step 4: Simplify right side
    8,856.09x = 40,024,624.77
  5. Step 5: Solve for x
    x = 40,024,624.77/8,856.09
  6. Step 6: Final answer
    x = 4,519.45

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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.