Home / 4,913.44-6,780.96-2,818.24

Finding the Fourth Proportional to 4,913.44, 6,780.96 and 2,818.24

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Solution

The fourth proportional to 4,913.44, 6,780.96 and 2,818.24 is: 3,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.44 : 6,780.96 = 2,818.24 : x
  2. Step 2: Convert to fraction form
    4,913.44/6,780.96 = 2,818.24/x
  3. Step 3: Cross multiply
    4,913.44x = 6,780.96 × 2,818.24
  4. Step 4: Simplify right side
    4,913.44x = 19,110,372.71
  5. Step 5: Solve for x
    x = 19,110,372.71/4,913.44
  6. Step 6: Final answer
    x = 3,889.41

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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.