Home / 7,084.85-10,626.72-2,154.51

Finding the Fourth Proportional to 7,084.85, 10,626.72 and 2,154.51

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Solution

The fourth proportional to 7,084.85, 10,626.72 and 2,154.51 is: 3,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.85 : 10,626.72 = 2,154.51 : x
  2. Step 2: Convert to fraction form
    7,084.85/10,626.72 = 2,154.51/x
  3. Step 3: Cross multiply
    7,084.85x = 10,626.72 × 2,154.51
  4. Step 4: Simplify right side
    7,084.85x = 22,895,374.51
  5. Step 5: Solve for x
    x = 22,895,374.51/7,084.85
  6. Step 6: Final answer
    x = 3,231.60

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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.