Home / 8,629.92-12,935.64-4,465.74

Finding the Fourth Proportional to 8,629.92, 12,935.64 and 4,465.74

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Solution

The fourth proportional to 8,629.92, 12,935.64 and 4,465.74 is: 6,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.92 : 12,935.64 = 4,465.74 : x
  2. Step 2: Convert to fraction form
    8,629.92/12,935.64 = 4,465.74/x
  3. Step 3: Cross multiply
    8,629.92x = 12,935.64 × 4,465.74
  4. Step 4: Simplify right side
    8,629.92x = 57,767,204.97
  5. Step 5: Solve for x
    x = 57,767,204.97/8,629.92
  6. Step 6: Final answer
    x = 6,693.83

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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.