Home / 4,905.34-6,769.01-2,780.91

Finding the Fourth Proportional to 4,905.34, 6,769.01 and 2,780.91

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Solution

The fourth proportional to 4,905.34, 6,769.01 and 2,780.91 is: 3,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.34 : 6,769.01 = 2,780.91 : x
  2. Step 2: Convert to fraction form
    4,905.34/6,769.01 = 2,780.91/x
  3. Step 3: Cross multiply
    4,905.34x = 6,769.01 × 2,780.91
  4. Step 4: Simplify right side
    4,905.34x = 18,824,014.55
  5. Step 5: Solve for x
    x = 18,824,014.55/4,905.34
  6. Step 6: Final answer
    x = 3,837.46

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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.