Home / 8,317.01-12,472.81-2,768.86

Finding the Fourth Proportional to 8,317.01, 12,472.81 and 2,768.86

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Solution

The fourth proportional to 8,317.01, 12,472.81 and 2,768.86 is: 4,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.01 : 12,472.81 = 2,768.86 : x
  2. Step 2: Convert to fraction form
    8,317.01/12,472.81 = 2,768.86/x
  3. Step 3: Cross multiply
    8,317.01x = 12,472.81 × 2,768.86
  4. Step 4: Simplify right side
    8,317.01x = 34,535,450.85
  5. Step 5: Solve for x
    x = 34,535,450.85/8,317.01
  6. Step 6: Final answer
    x = 4,152.39

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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.