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Finding the Fourth Proportional to 8,295.93, 12,443.76 and 2,749.32

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Solution

The fourth proportional to 8,295.93, 12,443.76 and 2,749.32 is: 4,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.93 : 12,443.76 = 2,749.32 : x
  2. Step 2: Convert to fraction form
    8,295.93/12,443.76 = 2,749.32/x
  3. Step 3: Cross multiply
    8,295.93x = 12,443.76 × 2,749.32
  4. Step 4: Simplify right side
    8,295.93x = 34,211,878.24
  5. Step 5: Solve for x
    x = 34,211,878.24/8,295.93
  6. Step 6: Final answer
    x = 4,123.94

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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.