Home / 5,383.58-8,075.38-1,686.14

Finding the Fourth Proportional to 5,383.58, 8,075.38 and 1,686.14

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Solution

The fourth proportional to 5,383.58, 8,075.38 and 1,686.14 is: 2,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.58 : 8,075.38 = 1,686.14 : x
  2. Step 2: Convert to fraction form
    5,383.58/8,075.38 = 1,686.14/x
  3. Step 3: Cross multiply
    5,383.58x = 8,075.38 × 1,686.14
  4. Step 4: Simplify right side
    5,383.58x = 13,616,221.23
  5. Step 5: Solve for x
    x = 13,616,221.23/5,383.58
  6. Step 6: Final answer
    x = 2,529.21

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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.