Home / 4,675.35-7,014.42-1,388.55

Finding the Fourth Proportional to 4,675.35, 7,014.42 and 1,388.55

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Solution

The fourth proportional to 4,675.35, 7,014.42 and 1,388.55 is: 2,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.35 : 7,014.42 = 1,388.55 : x
  2. Step 2: Convert to fraction form
    4,675.35/7,014.42 = 1,388.55/x
  3. Step 3: Cross multiply
    4,675.35x = 7,014.42 × 1,388.55
  4. Step 4: Simplify right side
    4,675.35x = 9,739,872.89
  5. Step 5: Solve for x
    x = 9,739,872.89/4,675.35
  6. Step 6: Final answer
    x = 2,083.24

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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.