Home / 8,628.93-12,946.23-2,785.59

Finding the Fourth Proportional to 8,628.93, 12,946.23 and 2,785.59

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Solution

The fourth proportional to 8,628.93, 12,946.23 and 2,785.59 is: 4,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.93 : 12,946.23 = 2,785.59 : x
  2. Step 2: Convert to fraction form
    8,628.93/12,946.23 = 2,785.59/x
  3. Step 3: Cross multiply
    8,628.93x = 12,946.23 × 2,785.59
  4. Step 4: Simplify right side
    8,628.93x = 36,062,888.83
  5. Step 5: Solve for x
    x = 36,062,888.83/8,628.93
  6. Step 6: Final answer
    x = 4,179.30

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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.