Home / 5,334.96-7,987.40-2,830.44

Finding the Fourth Proportional to 5,334.96, 7,987.40 and 2,830.44

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Solution

The fourth proportional to 5,334.96, 7,987.40 and 2,830.44 is: 4,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.96 : 7,987.40 = 2,830.44 : x
  2. Step 2: Convert to fraction form
    5,334.96/7,987.40 = 2,830.44/x
  3. Step 3: Cross multiply
    5,334.96x = 7,987.40 × 2,830.44
  4. Step 4: Simplify right side
    5,334.96x = 22,607,856.46
  5. Step 5: Solve for x
    x = 22,607,856.46/5,334.96
  6. Step 6: Final answer
    x = 4,237.68

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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.