Home / 5,383.38-8,075.07-1,487.79

Finding the Fourth Proportional to 5,383.38, 8,075.07 and 1,487.79

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Solution

The fourth proportional to 5,383.38, 8,075.07 and 1,487.79 is: 2,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.38 : 8,075.07 = 1,487.79 : x
  2. Step 2: Convert to fraction form
    5,383.38/8,075.07 = 1,487.79/x
  3. Step 3: Cross multiply
    5,383.38x = 8,075.07 × 1,487.79
  4. Step 4: Simplify right side
    5,383.38x = 12,014,008.40
  5. Step 5: Solve for x
    x = 12,014,008.40/5,383.38
  6. Step 6: Final answer
    x = 2,231.69

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Similar ratio
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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.