Home / 8,208.45-12,319.56-4,262.13

Finding the Fourth Proportional to 8,208.45, 12,319.56 and 4,262.13

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Solution

The fourth proportional to 8,208.45, 12,319.56 and 4,262.13 is: 6,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.45 : 12,319.56 = 4,262.13 : x
  2. Step 2: Convert to fraction form
    8,208.45/12,319.56 = 4,262.13/x
  3. Step 3: Cross multiply
    8,208.45x = 12,319.56 × 4,262.13
  4. Step 4: Simplify right side
    8,208.45x = 52,507,566.26
  5. Step 5: Solve for x
    x = 52,507,566.26/8,208.45
  6. Step 6: Final answer
    x = 6,396.77

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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.