Home / 5,429.01-8,144.07-1,480.35

Finding the Fourth Proportional to 5,429.01, 8,144.07 and 1,480.35

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Solution

The fourth proportional to 5,429.01, 8,144.07 and 1,480.35 is: 2,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.01 : 8,144.07 = 1,480.35 : x
  2. Step 2: Convert to fraction form
    5,429.01/8,144.07 = 1,480.35/x
  3. Step 3: Cross multiply
    5,429.01x = 8,144.07 × 1,480.35
  4. Step 4: Simplify right side
    5,429.01x = 12,056,074.02
  5. Step 5: Solve for x
    x = 12,056,074.02/5,429.01
  6. Step 6: Final answer
    x = 2,220.68

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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.