Home / 7,446.84-11,170.28-2,515.16

Finding the Fourth Proportional to 7,446.84, 11,170.28 and 2,515.16

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Solution

The fourth proportional to 7,446.84, 11,170.28 and 2,515.16 is: 3,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.84 : 11,170.28 = 2,515.16 : x
  2. Step 2: Convert to fraction form
    7,446.84/11,170.28 = 2,515.16/x
  3. Step 3: Cross multiply
    7,446.84x = 11,170.28 × 2,515.16
  4. Step 4: Simplify right side
    7,446.84x = 28,095,041.44
  5. Step 5: Solve for x
    x = 28,095,041.44/7,446.84
  6. Step 6: Final answer
    x = 3,772.75

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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.