Home / 5,427.05-8,140.39-1,729.49

Finding the Fourth Proportional to 5,427.05, 8,140.39 and 1,729.49

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Solution

The fourth proportional to 5,427.05, 8,140.39 and 1,729.49 is: 2,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.05 : 8,140.39 = 1,729.49 : x
  2. Step 2: Convert to fraction form
    5,427.05/8,140.39 = 1,729.49/x
  3. Step 3: Cross multiply
    5,427.05x = 8,140.39 × 1,729.49
  4. Step 4: Simplify right side
    5,427.05x = 14,078,678.08
  5. Step 5: Solve for x
    x = 14,078,678.08/5,427.05
  6. Step 6: Final answer
    x = 2,594.17

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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.