Home / 5,383.13-8,075.16-1,487.57

Finding the Fourth Proportional to 5,383.13, 8,075.16 and 1,487.57

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Solution

The fourth proportional to 5,383.13, 8,075.16 and 1,487.57 is: 2,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.13 : 8,075.16 = 1,487.57 : x
  2. Step 2: Convert to fraction form
    5,383.13/8,075.16 = 1,487.57/x
  3. Step 3: Cross multiply
    5,383.13x = 8,075.16 × 1,487.57
  4. Step 4: Simplify right side
    5,383.13x = 12,012,325.39
  5. Step 5: Solve for x
    x = 12,012,325.39/5,383.13
  6. Step 6: Final answer
    x = 2,231.48

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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.