Home / 5,383.35-8,075.01-1,685.59

Finding the Fourth Proportional to 5,383.35, 8,075.01 and 1,685.59

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Solution

The fourth proportional to 5,383.35, 8,075.01 and 1,685.59 is: 2,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.35 : 8,075.01 = 1,685.59 : x
  2. Step 2: Convert to fraction form
    5,383.35/8,075.01 = 1,685.59/x
  3. Step 3: Cross multiply
    5,383.35x = 8,075.01 × 1,685.59
  4. Step 4: Simplify right side
    5,383.35x = 13,611,156.11
  5. Step 5: Solve for x
    x = 13,611,156.11/5,383.35
  6. Step 6: Final answer
    x = 2,528.38

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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.