Home / 8,889.29-13,334.71-2,315.46

Finding the Fourth Proportional to 8,889.29, 13,334.71 and 2,315.46

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Solution

The fourth proportional to 8,889.29, 13,334.71 and 2,315.46 is: 3,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.29 : 13,334.71 = 2,315.46 : x
  2. Step 2: Convert to fraction form
    8,889.29/13,334.71 = 2,315.46/x
  3. Step 3: Cross multiply
    8,889.29x = 13,334.71 × 2,315.46
  4. Step 4: Simplify right side
    8,889.29x = 30,875,981.83
  5. Step 5: Solve for x
    x = 30,875,981.83/8,889.29
  6. Step 6: Final answer
    x = 3,473.39

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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.