Home / 8,885.65-13,330.94-3,887.13

Finding the Fourth Proportional to 8,885.65, 13,330.94 and 3,887.13

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Solution

The fourth proportional to 8,885.65, 13,330.94 and 3,887.13 is: 5,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.65 : 13,330.94 = 3,887.13 : x
  2. Step 2: Convert to fraction form
    8,885.65/13,330.94 = 3,887.13/x
  3. Step 3: Cross multiply
    8,885.65x = 13,330.94 × 3,887.13
  4. Step 4: Simplify right side
    8,885.65x = 51,819,060.96
  5. Step 5: Solve for x
    x = 51,819,060.96/8,885.65
  6. Step 6: Final answer
    x = 5,831.77

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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.