Home / 8,477.29-12,717.64-2,930.85

Finding the Fourth Proportional to 8,477.29, 12,717.64 and 2,930.85

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Solution

The fourth proportional to 8,477.29, 12,717.64 and 2,930.85 is: 4,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.29 : 12,717.64 = 2,930.85 : x
  2. Step 2: Convert to fraction form
    8,477.29/12,717.64 = 2,930.85/x
  3. Step 3: Cross multiply
    8,477.29x = 12,717.64 × 2,930.85
  4. Step 4: Simplify right side
    8,477.29x = 37,273,495.19
  5. Step 5: Solve for x
    x = 37,273,495.19/8,477.29
  6. Step 6: Final answer
    x = 4,396.86

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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.