Home / 8,284.56-12,434.63-4,338.65

Finding the Fourth Proportional to 8,284.56, 12,434.63 and 4,338.65

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Solution

The fourth proportional to 8,284.56, 12,434.63 and 4,338.65 is: 6,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.56 : 12,434.63 = 4,338.65 : x
  2. Step 2: Convert to fraction form
    8,284.56/12,434.63 = 4,338.65/x
  3. Step 3: Cross multiply
    8,284.56x = 12,434.63 × 4,338.65
  4. Step 4: Simplify right side
    8,284.56x = 53,949,496.60
  5. Step 5: Solve for x
    x = 53,949,496.60/8,284.56
  6. Step 6: Final answer
    x = 6,512.05

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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.