Home / 5,411.19-8,116.43-2,124.84

Finding the Fourth Proportional to 5,411.19, 8,116.43 and 2,124.84

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Solution

The fourth proportional to 5,411.19, 8,116.43 and 2,124.84 is: 3,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.19 : 8,116.43 = 2,124.84 : x
  2. Step 2: Convert to fraction form
    5,411.19/8,116.43 = 2,124.84/x
  3. Step 3: Cross multiply
    5,411.19x = 8,116.43 × 2,124.84
  4. Step 4: Simplify right side
    5,411.19x = 17,246,104.50
  5. Step 5: Solve for x
    x = 17,246,104.50/5,411.19
  6. Step 6: Final answer
    x = 3,187.12

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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.