Home / 8,436.38-12,654.63-3,506.18

Finding the Fourth Proportional to 8,436.38, 12,654.63 and 3,506.18

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Solution

The fourth proportional to 8,436.38, 12,654.63 and 3,506.18 is: 5,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.38 : 12,654.63 = 3,506.18 : x
  2. Step 2: Convert to fraction form
    8,436.38/12,654.63 = 3,506.18/x
  3. Step 3: Cross multiply
    8,436.38x = 12,654.63 × 3,506.18
  4. Step 4: Simplify right side
    8,436.38x = 44,369,347.34
  5. Step 5: Solve for x
    x = 44,369,347.34/8,436.38
  6. Step 6: Final answer
    x = 5,259.29

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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.