Home / 5,050.90-7,577.36-2,129.20

Finding the Fourth Proportional to 5,050.90, 7,577.36 and 2,129.20

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Solution

The fourth proportional to 5,050.90, 7,577.36 and 2,129.20 is: 3,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.90 : 7,577.36 = 2,129.20 : x
  2. Step 2: Convert to fraction form
    5,050.90/7,577.36 = 2,129.20/x
  3. Step 3: Cross multiply
    5,050.90x = 7,577.36 × 2,129.20
  4. Step 4: Simplify right side
    5,050.90x = 16,133,714.91
  5. Step 5: Solve for x
    x = 16,133,714.91/5,050.90
  6. Step 6: Final answer
    x = 3,194.23

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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.