Home / 8,436.45-12,659.94-4,058.40

Finding the Fourth Proportional to 8,436.45, 12,659.94 and 4,058.40

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Solution

The fourth proportional to 8,436.45, 12,659.94 and 4,058.40 is: 6,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.45 : 12,659.94 = 4,058.40 : x
  2. Step 2: Convert to fraction form
    8,436.45/12,659.94 = 4,058.40/x
  3. Step 3: Cross multiply
    8,436.45x = 12,659.94 × 4,058.40
  4. Step 4: Simplify right side
    8,436.45x = 51,379,100.50
  5. Step 5: Solve for x
    x = 51,379,100.50/8,436.45
  6. Step 6: Final answer
    x = 6,090.13

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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.