Home / 4,355.80-6,012.38-2,783.90

Finding the Fourth Proportional to 4,355.80, 6,012.38 and 2,783.90

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Solution

The fourth proportional to 4,355.80, 6,012.38 and 2,783.90 is: 3,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.80 : 6,012.38 = 2,783.90 : x
  2. Step 2: Convert to fraction form
    4,355.80/6,012.38 = 2,783.90/x
  3. Step 3: Cross multiply
    4,355.80x = 6,012.38 × 2,783.90
  4. Step 4: Simplify right side
    4,355.80x = 16,737,864.68
  5. Step 5: Solve for x
    x = 16,737,864.68/4,355.80
  6. Step 6: Final answer
    x = 3,842.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.