Home / 5,918.05-8,878.46-1,758.09

Finding the Fourth Proportional to 5,918.05, 8,878.46 and 1,758.09

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Solution

The fourth proportional to 5,918.05, 8,878.46 and 1,758.09 is: 2,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.05 : 8,878.46 = 1,758.09 : x
  2. Step 2: Convert to fraction form
    5,918.05/8,878.46 = 1,758.09/x
  3. Step 3: Cross multiply
    5,918.05x = 8,878.46 × 1,758.09
  4. Step 4: Simplify right side
    5,918.05x = 15,609,122.95
  5. Step 5: Solve for x
    x = 15,609,122.95/5,918.05
  6. Step 6: Final answer
    x = 2,637.55

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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.