Home / 5,344.20-8,013.36-1,645.40

Finding the Fourth Proportional to 5,344.20, 8,013.36 and 1,645.40

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Solution

The fourth proportional to 5,344.20, 8,013.36 and 1,645.40 is: 2,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.20 : 8,013.36 = 1,645.40 : x
  2. Step 2: Convert to fraction form
    5,344.20/8,013.36 = 1,645.40/x
  3. Step 3: Cross multiply
    5,344.20x = 8,013.36 × 1,645.40
  4. Step 4: Simplify right side
    5,344.20x = 13,185,182.54
  5. Step 5: Solve for x
    x = 13,185,182.54/5,344.20
  6. Step 6: Final answer
    x = 2,467.19

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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.