Home / 8,284.17-12,426.39-4,380.51

Finding the Fourth Proportional to 8,284.17, 12,426.39 and 4,380.51

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Solution

The fourth proportional to 8,284.17, 12,426.39 and 4,380.51 is: 6,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.17 : 12,426.39 = 4,380.51 : x
  2. Step 2: Convert to fraction form
    8,284.17/12,426.39 = 4,380.51/x
  3. Step 3: Cross multiply
    8,284.17x = 12,426.39 × 4,380.51
  4. Step 4: Simplify right side
    8,284.17x = 54,433,925.66
  5. Step 5: Solve for x
    x = 54,433,925.66/8,284.17
  6. Step 6: Final answer
    x = 6,570.84

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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.