Home / 8,369.40-12,554.22-3,439.08

Finding the Fourth Proportional to 8,369.40, 12,554.22 and 3,439.08

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Solution

The fourth proportional to 8,369.40, 12,554.22 and 3,439.08 is: 5,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.40 : 12,554.22 = 3,439.08 : x
  2. Step 2: Convert to fraction form
    8,369.40/12,554.22 = 3,439.08/x
  3. Step 3: Cross multiply
    8,369.40x = 12,554.22 × 3,439.08
  4. Step 4: Simplify right side
    8,369.40x = 43,174,966.92
  5. Step 5: Solve for x
    x = 43,174,966.92/8,369.40
  6. Step 6: Final answer
    x = 5,158.67

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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.