Home / 8,943.42-13,412.52-3,392.76

Finding the Fourth Proportional to 8,943.42, 13,412.52 and 3,392.76

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Solution

The fourth proportional to 8,943.42, 13,412.52 and 3,392.76 is: 5,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.42 : 13,412.52 = 3,392.76 : x
  2. Step 2: Convert to fraction form
    8,943.42/13,412.52 = 3,392.76/x
  3. Step 3: Cross multiply
    8,943.42x = 13,412.52 × 3,392.76
  4. Step 4: Simplify right side
    8,943.42x = 45,505,461.36
  5. Step 5: Solve for x
    x = 45,505,461.36/8,943.42
  6. Step 6: Final answer
    x = 5,088.15

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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.