Home / 8,436.29-12,643.49-4,536.14

Finding the Fourth Proportional to 8,436.29, 12,643.49 and 4,536.14

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Solution

The fourth proportional to 8,436.29, 12,643.49 and 4,536.14 is: 6,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.29 : 12,643.49 = 4,536.14 : x
  2. Step 2: Convert to fraction form
    8,436.29/12,643.49 = 4,536.14/x
  3. Step 3: Cross multiply
    8,436.29x = 12,643.49 × 4,536.14
  4. Step 4: Simplify right side
    8,436.29x = 57,352,588.85
  5. Step 5: Solve for x
    x = 57,352,588.85/8,436.29
  6. Step 6: Final answer
    x = 6,798.32

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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.