Home / 5,400.21-8,086.29-4,625.20

Finding the Fourth Proportional to 5,400.21, 8,086.29 and 4,625.20

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Solution

The fourth proportional to 5,400.21, 8,086.29 and 4,625.20 is: 6,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.21 : 8,086.29 = 4,625.20 : x
  2. Step 2: Convert to fraction form
    5,400.21/8,086.29 = 4,625.20/x
  3. Step 3: Cross multiply
    5,400.21x = 8,086.29 × 4,625.20
  4. Step 4: Simplify right side
    5,400.21x = 37,400,708.51
  5. Step 5: Solve for x
    x = 37,400,708.51/5,400.21
  6. Step 6: Final answer
    x = 6,925.79

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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.