Home / 4,288.34-5,918.90-2,793.65

Finding the Fourth Proportional to 4,288.34, 5,918.90 and 2,793.65

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Solution

The fourth proportional to 4,288.34, 5,918.90 and 2,793.65 is: 3,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.34 : 5,918.90 = 2,793.65 : x
  2. Step 2: Convert to fraction form
    4,288.34/5,918.90 = 2,793.65/x
  3. Step 3: Cross multiply
    4,288.34x = 5,918.90 × 2,793.65
  4. Step 4: Simplify right side
    4,288.34x = 16,535,335.81
  5. Step 5: Solve for x
    x = 16,535,335.81/4,288.34
  6. Step 6: Final answer
    x = 3,855.88

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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.