Home / 4,885.10-6,740.82-2,760.34

Finding the Fourth Proportional to 4,885.10, 6,740.82 and 2,760.34

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Solution

The fourth proportional to 4,885.10, 6,740.82 and 2,760.34 is: 3,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.10 : 6,740.82 = 2,760.34 : x
  2. Step 2: Convert to fraction form
    4,885.10/6,740.82 = 2,760.34/x
  3. Step 3: Cross multiply
    4,885.10x = 6,740.82 × 2,760.34
  4. Step 4: Simplify right side
    4,885.10x = 18,606,955.08
  5. Step 5: Solve for x
    x = 18,606,955.08/4,885.10
  6. Step 6: Final answer
    x = 3,808.92

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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.