Home / 7,134.40-10,705.92-3,674.08

Finding the Fourth Proportional to 7,134.40, 10,705.92 and 3,674.08

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Solution

The fourth proportional to 7,134.40, 10,705.92 and 3,674.08 is: 5,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.40 : 10,705.92 = 3,674.08 : x
  2. Step 2: Convert to fraction form
    7,134.40/10,705.92 = 3,674.08/x
  3. Step 3: Cross multiply
    7,134.40x = 10,705.92 × 3,674.08
  4. Step 4: Simplify right side
    7,134.40x = 39,334,406.55
  5. Step 5: Solve for x
    x = 39,334,406.55/7,134.40
  6. Step 6: Final answer
    x = 5,513.34

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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.