Home / 8,549.09-12,823.67-2,705.70

Finding the Fourth Proportional to 8,549.09, 12,823.67 and 2,705.70

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Solution

The fourth proportional to 8,549.09, 12,823.67 and 2,705.70 is: 4,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.09 : 12,823.67 = 2,705.70 : x
  2. Step 2: Convert to fraction form
    8,549.09/12,823.67 = 2,705.70/x
  3. Step 3: Cross multiply
    8,549.09x = 12,823.67 × 2,705.70
  4. Step 4: Simplify right side
    8,549.09x = 34,697,043.55
  5. Step 5: Solve for x
    x = 34,697,043.55/8,549.09
  6. Step 6: Final answer
    x = 4,058.56

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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.