Home / 6,495-8,964.50-4,136.60

Finding the Fourth Proportional to 6,495, 8,964.50 and 4,136.60

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Solution

The fourth proportional to 6,495, 8,964.50 and 4,136.60 is: 5,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495 : 8,964.50 = 4,136.60 : x
  2. Step 2: Convert to fraction form
    6,495/8,964.50 = 4,136.60/x
  3. Step 3: Cross multiply
    6,495x = 8,964.50 × 4,136.60
  4. Step 4: Simplify right side
    6,495x = 37,082,550.70
  5. Step 5: Solve for x
    x = 37,082,550.70/6,495
  6. Step 6: Final answer
    x = 5,709.40

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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.