Home / 8,712.26-13,055.62-4,320.94

Finding the Fourth Proportional to 8,712.26, 13,055.62 and 4,320.94

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Solution

The fourth proportional to 8,712.26, 13,055.62 and 4,320.94 is: 6,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.26 : 13,055.62 = 4,320.94 : x
  2. Step 2: Convert to fraction form
    8,712.26/13,055.62 = 4,320.94/x
  3. Step 3: Cross multiply
    8,712.26x = 13,055.62 × 4,320.94
  4. Step 4: Simplify right side
    8,712.26x = 56,412,550.68
  5. Step 5: Solve for x
    x = 56,412,550.68/8,712.26
  6. Step 6: Final answer
    x = 6,475.08

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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.