Home / 6,289.99-9,436.20-3,000.85

Finding the Fourth Proportional to 6,289.99, 9,436.20 and 3,000.85

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Solution

The fourth proportional to 6,289.99, 9,436.20 and 3,000.85 is: 4,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.99 : 9,436.20 = 3,000.85 : x
  2. Step 2: Convert to fraction form
    6,289.99/9,436.20 = 3,000.85/x
  3. Step 3: Cross multiply
    6,289.99x = 9,436.20 × 3,000.85
  4. Step 4: Simplify right side
    6,289.99x = 28,316,620.77
  5. Step 5: Solve for x
    x = 28,316,620.77/6,289.99
  6. Step 6: Final answer
    x = 4,501.85

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Half scale
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Double scale
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Similar ratio
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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.