Home / 4,605.10-6,896.85-3,136.30

Finding the Fourth Proportional to 4,605.10, 6,896.85 and 3,136.30

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Solution

The fourth proportional to 4,605.10, 6,896.85 and 3,136.30 is: 4,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.10 : 6,896.85 = 3,136.30 : x
  2. Step 2: Convert to fraction form
    4,605.10/6,896.85 = 3,136.30/x
  3. Step 3: Cross multiply
    4,605.10x = 6,896.85 × 3,136.30
  4. Step 4: Simplify right side
    4,605.10x = 21,630,590.66
  5. Step 5: Solve for x
    x = 21,630,590.66/4,605.10
  6. Step 6: Final answer
    x = 4,697.09

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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.