Home / 4,889.48-6,746.85-2,764.70

Finding the Fourth Proportional to 4,889.48, 6,746.85 and 2,764.70

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Solution

The fourth proportional to 4,889.48, 6,746.85 and 2,764.70 is: 3,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.48 : 6,746.85 = 2,764.70 : x
  2. Step 2: Convert to fraction form
    4,889.48/6,746.85 = 2,764.70/x
  3. Step 3: Cross multiply
    4,889.48x = 6,746.85 × 2,764.70
  4. Step 4: Simplify right side
    4,889.48x = 18,653,016.20
  5. Step 5: Solve for x
    x = 18,653,016.20/4,889.48
  6. Step 6: Final answer
    x = 3,814.93

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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.