Home / 5,389.55-8,084.32-1,692.10

Finding the Fourth Proportional to 5,389.55, 8,084.32 and 1,692.10

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Solution

The fourth proportional to 5,389.55, 8,084.32 and 1,692.10 is: 2,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.55 : 8,084.32 = 1,692.10 : x
  2. Step 2: Convert to fraction form
    5,389.55/8,084.32 = 1,692.10/x
  3. Step 3: Cross multiply
    5,389.55x = 8,084.32 × 1,692.10
  4. Step 4: Simplify right side
    5,389.55x = 13,679,428.99
  5. Step 5: Solve for x
    x = 13,679,428.99/5,389.55
  6. Step 6: Final answer
    x = 2,538.14

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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.