Home / 5,393.17-8,088.28-3,415.84

Finding the Fourth Proportional to 5,393.17, 8,088.28 and 3,415.84

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Solution

The fourth proportional to 5,393.17, 8,088.28 and 3,415.84 is: 5,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.17 : 8,088.28 = 3,415.84 : x
  2. Step 2: Convert to fraction form
    5,393.17/8,088.28 = 3,415.84/x
  3. Step 3: Cross multiply
    5,393.17x = 8,088.28 × 3,415.84
  4. Step 4: Simplify right side
    5,393.17x = 27,628,212.83
  5. Step 5: Solve for x
    x = 27,628,212.83/5,393.17
  6. Step 6: Final answer
    x = 5,122.81

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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.