Home / 8,889.81-13,334.67-2,315.85

Finding the Fourth Proportional to 8,889.81, 13,334.67 and 2,315.85

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Solution

The fourth proportional to 8,889.81, 13,334.67 and 2,315.85 is: 3,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.81 : 13,334.67 = 2,315.85 : x
  2. Step 2: Convert to fraction form
    8,889.81/13,334.67 = 2,315.85/x
  3. Step 3: Cross multiply
    8,889.81x = 13,334.67 × 2,315.85
  4. Step 4: Simplify right side
    8,889.81x = 30,881,095.52
  5. Step 5: Solve for x
    x = 30,881,095.52/8,889.81
  6. Step 6: Final answer
    x = 3,473.76

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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.