Home / 5,164.24-7,746.90-3,420.58

Finding the Fourth Proportional to 5,164.24, 7,746.90 and 3,420.58

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Solution

The fourth proportional to 5,164.24, 7,746.90 and 3,420.58 is: 5,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.24 : 7,746.90 = 3,420.58 : x
  2. Step 2: Convert to fraction form
    5,164.24/7,746.90 = 3,420.58/x
  3. Step 3: Cross multiply
    5,164.24x = 7,746.90 × 3,420.58
  4. Step 4: Simplify right side
    5,164.24x = 26,498,891.20
  5. Step 5: Solve for x
    x = 26,498,891.20/5,164.24
  6. Step 6: Final answer
    x = 5,131.23

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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.