Home / 6,228.20-8,584.04-5,426.51

Finding the Fourth Proportional to 6,228.20, 8,584.04 and 5,426.51

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Solution

The fourth proportional to 6,228.20, 8,584.04 and 5,426.51 is: 7,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.20 : 8,584.04 = 5,426.51 : x
  2. Step 2: Convert to fraction form
    6,228.20/8,584.04 = 5,426.51/x
  3. Step 3: Cross multiply
    6,228.20x = 8,584.04 × 5,426.51
  4. Step 4: Simplify right side
    6,228.20x = 46,581,308.85
  5. Step 5: Solve for x
    x = 46,581,308.85/6,228.20
  6. Step 6: Final answer
    x = 7,479.10

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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.