Home / 4,289.12-6,434.68-1,367.20

Finding the Fourth Proportional to 4,289.12, 6,434.68 and 1,367.20

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Solution

The fourth proportional to 4,289.12, 6,434.68 and 1,367.20 is: 2,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.12 : 6,434.68 = 1,367.20 : x
  2. Step 2: Convert to fraction form
    4,289.12/6,434.68 = 1,367.20/x
  3. Step 3: Cross multiply
    4,289.12x = 6,434.68 × 1,367.20
  4. Step 4: Simplify right side
    4,289.12x = 8,797,494.50
  5. Step 5: Solve for x
    x = 8,797,494.50/4,289.12
  6. Step 6: Final answer
    x = 2,051.12

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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.