Home / 8,612.44-12,916.96-2,370.85

Finding the Fourth Proportional to 8,612.44, 12,916.96 and 2,370.85

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Solution

The fourth proportional to 8,612.44, 12,916.96 and 2,370.85 is: 3,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.44 : 12,916.96 = 2,370.85 : x
  2. Step 2: Convert to fraction form
    8,612.44/12,916.96 = 2,370.85/x
  3. Step 3: Cross multiply
    8,612.44x = 12,916.96 × 2,370.85
  4. Step 4: Simplify right side
    8,612.44x = 30,624,136.40
  5. Step 5: Solve for x
    x = 30,624,136.40/8,612.44
  6. Step 6: Final answer
    x = 3,555.80

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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.