Home / 8,513.38-11,746.49-4,977.73

Finding the Fourth Proportional to 8,513.38, 11,746.49 and 4,977.73

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Solution

The fourth proportional to 8,513.38, 11,746.49 and 4,977.73 is: 6,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.38 : 11,746.49 = 4,977.73 : x
  2. Step 2: Convert to fraction form
    8,513.38/11,746.49 = 4,977.73/x
  3. Step 3: Cross multiply
    8,513.38x = 11,746.49 × 4,977.73
  4. Step 4: Simplify right side
    8,513.38x = 58,470,855.67
  5. Step 5: Solve for x
    x = 58,470,855.67/8,513.38
  6. Step 6: Final answer
    x = 6,868.11

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1.5x scale

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.