Home / 8,388.29-12,581.93-4,682.21

Finding the Fourth Proportional to 8,388.29, 12,581.93 and 4,682.21

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Solution

The fourth proportional to 8,388.29, 12,581.93 and 4,682.21 is: 7,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.29 : 12,581.93 = 4,682.21 : x
  2. Step 2: Convert to fraction form
    8,388.29/12,581.93 = 4,682.21/x
  3. Step 3: Cross multiply
    8,388.29x = 12,581.93 × 4,682.21
  4. Step 4: Simplify right side
    8,388.29x = 58,911,187.26
  5. Step 5: Solve for x
    x = 58,911,187.26/8,388.29
  6. Step 6: Final answer
    x = 7,023.02

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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.