Home / 4,107.84-6,158.40-2,811.84

Finding the Fourth Proportional to 4,107.84, 6,158.40 and 2,811.84

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Solution

The fourth proportional to 4,107.84, 6,158.40 and 2,811.84 is: 4,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.84 : 6,158.40 = 2,811.84 : x
  2. Step 2: Convert to fraction form
    4,107.84/6,158.40 = 2,811.84/x
  3. Step 3: Cross multiply
    4,107.84x = 6,158.40 × 2,811.84
  4. Step 4: Simplify right side
    4,107.84x = 17,316,435.46
  5. Step 5: Solve for x
    x = 17,316,435.46/4,107.84
  6. Step 6: Final answer
    x = 4,215.46

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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.