Home / 5,383.52-8,075.78-2,007.20

Finding the Fourth Proportional to 5,383.52, 8,075.78 and 2,007.20

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Solution

The fourth proportional to 5,383.52, 8,075.78 and 2,007.20 is: 3,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.52 : 8,075.78 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    5,383.52/8,075.78 = 2,007.20/x
  3. Step 3: Cross multiply
    5,383.52x = 8,075.78 × 2,007.20
  4. Step 4: Simplify right side
    5,383.52x = 16,209,705.62
  5. Step 5: Solve for x
    x = 16,209,705.62/5,383.52
  6. Step 6: Final answer
    x = 3,010.99

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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.