Home / 4,715.64-7,073.45-2,116.75

Finding the Fourth Proportional to 4,715.64, 7,073.45 and 2,116.75

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Solution

The fourth proportional to 4,715.64, 7,073.45 and 2,116.75 is: 3,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.64 : 7,073.45 = 2,116.75 : x
  2. Step 2: Convert to fraction form
    4,715.64/7,073.45 = 2,116.75/x
  3. Step 3: Cross multiply
    4,715.64x = 7,073.45 × 2,116.75
  4. Step 4: Simplify right side
    4,715.64x = 14,972,725.29
  5. Step 5: Solve for x
    x = 14,972,725.29/4,715.64
  6. Step 6: Final answer
    x = 3,175.12

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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.