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Finding the Fourth Proportional to 4,699.99, 7,050.19 and 2,618.41

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Solution

The fourth proportional to 4,699.99, 7,050.19 and 2,618.41 is: 3,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.99 : 7,050.19 = 2,618.41 : x
  2. Step 2: Convert to fraction form
    4,699.99/7,050.19 = 2,618.41/x
  3. Step 3: Cross multiply
    4,699.99x = 7,050.19 × 2,618.41
  4. Step 4: Simplify right side
    4,699.99x = 18,460,311.70
  5. Step 5: Solve for x
    x = 18,460,311.70/4,699.99
  6. Step 6: Final answer
    x = 3,927.74

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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.