Home / 5,389.72-8,084.37-1,692.07

Finding the Fourth Proportional to 5,389.72, 8,084.37 and 1,692.07

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Solution

The fourth proportional to 5,389.72, 8,084.37 and 1,692.07 is: 2,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.72 : 8,084.37 = 1,692.07 : x
  2. Step 2: Convert to fraction form
    5,389.72/8,084.37 = 1,692.07/x
  3. Step 3: Cross multiply
    5,389.72x = 8,084.37 × 1,692.07
  4. Step 4: Simplify right side
    5,389.72x = 13,679,319.95
  5. Step 5: Solve for x
    x = 13,679,319.95/5,389.72
  6. Step 6: Final answer
    x = 2,538.04

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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.