Home / 8,292.03-12,428.86-3,360.21

Finding the Fourth Proportional to 8,292.03, 12,428.86 and 3,360.21

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Solution

The fourth proportional to 8,292.03, 12,428.86 and 3,360.21 is: 5,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.03 : 12,428.86 = 3,360.21 : x
  2. Step 2: Convert to fraction form
    8,292.03/12,428.86 = 3,360.21/x
  3. Step 3: Cross multiply
    8,292.03x = 12,428.86 × 3,360.21
  4. Step 4: Simplify right side
    8,292.03x = 41,763,562.86
  5. Step 5: Solve for x
    x = 41,763,562.86/8,292.03
  6. Step 6: Final answer
    x = 5,036.59

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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.