Home / 4,675.93-7,014.20-1,388.75

Finding the Fourth Proportional to 4,675.93, 7,014.20 and 1,388.75

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Solution

The fourth proportional to 4,675.93, 7,014.20 and 1,388.75 is: 2,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.93 : 7,014.20 = 1,388.75 : x
  2. Step 2: Convert to fraction form
    4,675.93/7,014.20 = 1,388.75/x
  3. Step 3: Cross multiply
    4,675.93x = 7,014.20 × 1,388.75
  4. Step 4: Simplify right side
    4,675.93x = 9,740,928.24
  5. Step 5: Solve for x
    x = 9,740,928.24/4,675.93
  6. Step 6: Final answer
    x = 2,083.21

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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.