Home / 8,436.15-12,652.93-2,813.92

Finding the Fourth Proportional to 8,436.15, 12,652.93 and 2,813.92

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Solution

The fourth proportional to 8,436.15, 12,652.93 and 2,813.92 is: 4,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.15 : 12,652.93 = 2,813.92 : x
  2. Step 2: Convert to fraction form
    8,436.15/12,652.93 = 2,813.92/x
  3. Step 3: Cross multiply
    8,436.15x = 12,652.93 × 2,813.92
  4. Step 4: Simplify right side
    8,436.15x = 35,604,288.84
  5. Step 5: Solve for x
    x = 35,604,288.84/8,436.15
  6. Step 6: Final answer
    x = 4,220.44

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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.