Home / 8,454.88-12,670.96-3,518.80

Finding the Fourth Proportional to 8,454.88, 12,670.96 and 3,518.80

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Solution

The fourth proportional to 8,454.88, 12,670.96 and 3,518.80 is: 5,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.88 : 12,670.96 = 3,518.80 : x
  2. Step 2: Convert to fraction form
    8,454.88/12,670.96 = 3,518.80/x
  3. Step 3: Cross multiply
    8,454.88x = 12,670.96 × 3,518.80
  4. Step 4: Simplify right side
    8,454.88x = 44,586,574.05
  5. Step 5: Solve for x
    x = 44,586,574.05/8,454.88
  6. Step 6: Final answer
    x = 5,273.47

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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.