Home / 8,586.18-12,879.30-3,036.60

Finding the Fourth Proportional to 8,586.18, 12,879.30 and 3,036.60

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Solution

The fourth proportional to 8,586.18, 12,879.30 and 3,036.60 is: 4,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.18 : 12,879.30 = 3,036.60 : x
  2. Step 2: Convert to fraction form
    8,586.18/12,879.30 = 3,036.60/x
  3. Step 3: Cross multiply
    8,586.18x = 12,879.30 × 3,036.60
  4. Step 4: Simplify right side
    8,586.18x = 39,109,282.38
  5. Step 5: Solve for x
    x = 39,109,282.38/8,586.18
  6. Step 6: Final answer
    x = 4,554.91

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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.