Home / 8,889.41-13,334.88-2,315.61

Finding the Fourth Proportional to 8,889.41, 13,334.88 and 2,315.61

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Solution

The fourth proportional to 8,889.41, 13,334.88 and 2,315.61 is: 3,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.41 : 13,334.88 = 2,315.61 : x
  2. Step 2: Convert to fraction form
    8,889.41/13,334.88 = 2,315.61/x
  3. Step 3: Cross multiply
    8,889.41x = 13,334.88 × 2,315.61
  4. Step 4: Simplify right side
    8,889.41x = 30,878,381.48
  5. Step 5: Solve for x
    x = 30,878,381.48/8,889.41
  6. Step 6: Final answer
    x = 3,473.61

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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.