Home / 5,048.60-7,573.98-2,128.28

Finding the Fourth Proportional to 5,048.60, 7,573.98 and 2,128.28

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Solution

The fourth proportional to 5,048.60, 7,573.98 and 2,128.28 is: 3,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.60 : 7,573.98 = 2,128.28 : x
  2. Step 2: Convert to fraction form
    5,048.60/7,573.98 = 2,128.28/x
  3. Step 3: Cross multiply
    5,048.60x = 7,573.98 × 2,128.28
  4. Step 4: Simplify right side
    5,048.60x = 16,119,550.15
  5. Step 5: Solve for x
    x = 16,119,550.15/5,048.60
  6. Step 6: Final answer
    x = 3,192.88

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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.