Home / 8,275.90-12,416.91-3,835.68

Finding the Fourth Proportional to 8,275.90, 12,416.91 and 3,835.68

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Solution

The fourth proportional to 8,275.90, 12,416.91 and 3,835.68 is: 5,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.90 : 12,416.91 = 3,835.68 : x
  2. Step 2: Convert to fraction form
    8,275.90/12,416.91 = 3,835.68/x
  3. Step 3: Cross multiply
    8,275.90x = 12,416.91 × 3,835.68
  4. Step 4: Simplify right side
    8,275.90x = 47,627,274.17
  5. Step 5: Solve for x
    x = 47,627,274.17/8,275.90
  6. Step 6: Final answer
    x = 5,754.94

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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.