Home / 6,380.42-9,550.16-3,411.45

Finding the Fourth Proportional to 6,380.42, 9,550.16 and 3,411.45

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Solution

The fourth proportional to 6,380.42, 9,550.16 and 3,411.45 is: 5,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.42 : 9,550.16 = 3,411.45 : x
  2. Step 2: Convert to fraction form
    6,380.42/9,550.16 = 3,411.45/x
  3. Step 3: Cross multiply
    6,380.42x = 9,550.16 × 3,411.45
  4. Step 4: Simplify right side
    6,380.42x = 32,579,828.52
  5. Step 5: Solve for x
    x = 32,579,828.52/6,380.42
  6. Step 6: Final answer
    x = 5,106.22

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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.