Home / 7,084.18-10,626.29-3,385.57

Finding the Fourth Proportional to 7,084.18, 10,626.29 and 3,385.57

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Solution

The fourth proportional to 7,084.18, 10,626.29 and 3,385.57 is: 5,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.18 : 10,626.29 = 3,385.57 : x
  2. Step 2: Convert to fraction form
    7,084.18/10,626.29 = 3,385.57/x
  3. Step 3: Cross multiply
    7,084.18x = 10,626.29 × 3,385.57
  4. Step 4: Simplify right side
    7,084.18x = 35,976,048.64
  5. Step 5: Solve for x
    x = 35,976,048.64/7,084.18
  6. Step 6: Final answer
    x = 5,078.36

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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.