Home / 8,554.05-12,831.03-3,875.67

Finding the Fourth Proportional to 8,554.05, 12,831.03 and 3,875.67

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Solution

The fourth proportional to 8,554.05, 12,831.03 and 3,875.67 is: 5,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.05 : 12,831.03 = 3,875.67 : x
  2. Step 2: Convert to fraction form
    8,554.05/12,831.03 = 3,875.67/x
  3. Step 3: Cross multiply
    8,554.05x = 12,831.03 × 3,875.67
  4. Step 4: Simplify right side
    8,554.05x = 49,728,838.04
  5. Step 5: Solve for x
    x = 49,728,838.04/8,554.05
  6. Step 6: Final answer
    x = 5,813.48

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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.