Home / 4,749.24-7,124.48-2,116.76

Finding the Fourth Proportional to 4,749.24, 7,124.48 and 2,116.76

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Solution

The fourth proportional to 4,749.24, 7,124.48 and 2,116.76 is: 3,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.24 : 7,124.48 = 2,116.76 : x
  2. Step 2: Convert to fraction form
    4,749.24/7,124.48 = 2,116.76/x
  3. Step 3: Cross multiply
    4,749.24x = 7,124.48 × 2,116.76
  4. Step 4: Simplify right side
    4,749.24x = 15,080,814.28
  5. Step 5: Solve for x
    x = 15,080,814.28/4,749.24
  6. Step 6: Final answer
    x = 3,175.42

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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.