Home / 8,890.65-12,269.27-4,911.93

Finding the Fourth Proportional to 8,890.65, 12,269.27 and 4,911.93

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Solution

The fourth proportional to 8,890.65, 12,269.27 and 4,911.93 is: 6,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.65 : 12,269.27 = 4,911.93 : x
  2. Step 2: Convert to fraction form
    8,890.65/12,269.27 = 4,911.93/x
  3. Step 3: Cross multiply
    8,890.65x = 12,269.27 × 4,911.93
  4. Step 4: Simplify right side
    8,890.65x = 60,265,807.67
  5. Step 5: Solve for x
    x = 60,265,807.67/8,890.65
  6. Step 6: Final answer
    x = 6,778.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.