Home / 8,351.51-12,521.79-3,416.18

Finding the Fourth Proportional to 8,351.51, 12,521.79 and 3,416.18

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Solution

The fourth proportional to 8,351.51, 12,521.79 and 3,416.18 is: 5,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.51 : 12,521.79 = 3,416.18 : x
  2. Step 2: Convert to fraction form
    8,351.51/12,521.79 = 3,416.18/x
  3. Step 3: Cross multiply
    8,351.51x = 12,521.79 × 3,416.18
  4. Step 4: Simplify right side
    8,351.51x = 42,776,625.95
  5. Step 5: Solve for x
    x = 42,776,625.95/8,351.51
  6. Step 6: Final answer
    x = 5,122.03

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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.