Home / 8,554.38-12,830.16-2,712.36

Finding the Fourth Proportional to 8,554.38, 12,830.16 and 2,712.36

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Solution

The fourth proportional to 8,554.38, 12,830.16 and 2,712.36 is: 4,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.38 : 12,830.16 = 2,712.36 : x
  2. Step 2: Convert to fraction form
    8,554.38/12,830.16 = 2,712.36/x
  3. Step 3: Cross multiply
    8,554.38x = 12,830.16 × 2,712.36
  4. Step 4: Simplify right side
    8,554.38x = 34,800,012.78
  5. Step 5: Solve for x
    x = 34,800,012.78/8,554.38
  6. Step 6: Final answer
    x = 4,068.09

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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.