Home / 4,749.30-6,539.04-4,039.74

Finding the Fourth Proportional to 4,749.30, 6,539.04 and 4,039.74

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Solution

The fourth proportional to 4,749.30, 6,539.04 and 4,039.74 is: 5,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.30 : 6,539.04 = 4,039.74 : x
  2. Step 2: Convert to fraction form
    4,749.30/6,539.04 = 4,039.74/x
  3. Step 3: Cross multiply
    4,749.30x = 6,539.04 × 4,039.74
  4. Step 4: Simplify right side
    4,749.30x = 26,416,021.45
  5. Step 5: Solve for x
    x = 26,416,021.45/4,749.30
  6. Step 6: Final answer
    x = 5,562.09

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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.