Home / 6,426-9,634.29-4,340.82

Finding the Fourth Proportional to 6,426, 9,634.29 and 4,340.82

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Solution

The fourth proportional to 6,426, 9,634.29 and 4,340.82 is: 6,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426 : 9,634.29 = 4,340.82 : x
  2. Step 2: Convert to fraction form
    6,426/9,634.29 = 4,340.82/x
  3. Step 3: Cross multiply
    6,426x = 9,634.29 × 4,340.82
  4. Step 4: Simplify right side
    6,426x = 41,820,718.72
  5. Step 5: Solve for x
    x = 41,820,718.72/6,426
  6. Step 6: Final answer
    x = 6,508.05

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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.