Home / 7,045.64-10,568.46-2,115.28

Finding the Fourth Proportional to 7,045.64, 10,568.46 and 2,115.28

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Solution

The fourth proportional to 7,045.64, 10,568.46 and 2,115.28 is: 3,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.64 : 10,568.46 = 2,115.28 : x
  2. Step 2: Convert to fraction form
    7,045.64/10,568.46 = 2,115.28/x
  3. Step 3: Cross multiply
    7,045.64x = 10,568.46 × 2,115.28
  4. Step 4: Simplify right side
    7,045.64x = 22,355,252.07
  5. Step 5: Solve for x
    x = 22,355,252.07/7,045.64
  6. Step 6: Final answer
    x = 3,172.92

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Similar ratio
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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.