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Finding the Fourth Proportional to 4,899.86, 7,337.48 and 3,804.99

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Solution

The fourth proportional to 4,899.86, 7,337.48 and 3,804.99 is: 5,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.86 : 7,337.48 = 3,804.99 : x
  2. Step 2: Convert to fraction form
    4,899.86/7,337.48 = 3,804.99/x
  3. Step 3: Cross multiply
    4,899.86x = 7,337.48 × 3,804.99
  4. Step 4: Simplify right side
    4,899.86x = 27,918,991.48
  5. Step 5: Solve for x
    x = 27,918,991.48/4,899.86
  6. Step 6: Final answer
    x = 5,697.92

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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.