Home / 8,136.65-11,226.60-4,779.61

Finding the Fourth Proportional to 8,136.65, 11,226.60 and 4,779.61

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Solution

The fourth proportional to 8,136.65, 11,226.60 and 4,779.61 is: 6,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.65 : 11,226.60 = 4,779.61 : x
  2. Step 2: Convert to fraction form
    8,136.65/11,226.60 = 4,779.61/x
  3. Step 3: Cross multiply
    8,136.65x = 11,226.60 × 4,779.61
  4. Step 4: Simplify right side
    8,136.65x = 53,658,741.56
  5. Step 5: Solve for x
    x = 53,658,741.56/8,136.65
  6. Step 6: Final answer
    x = 6,594.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.