Home / 8,674.06-13,012.26-3,479.50

Finding the Fourth Proportional to 8,674.06, 13,012.26 and 3,479.50

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Solution

The fourth proportional to 8,674.06, 13,012.26 and 3,479.50 is: 5,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.06 : 13,012.26 = 3,479.50 : x
  2. Step 2: Convert to fraction form
    8,674.06/13,012.26 = 3,479.50/x
  3. Step 3: Cross multiply
    8,674.06x = 13,012.26 × 3,479.50
  4. Step 4: Simplify right side
    8,674.06x = 45,276,158.67
  5. Step 5: Solve for x
    x = 45,276,158.67/8,674.06
  6. Step 6: Final answer
    x = 5,219.72

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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.