Home / 5,133.76-7,084.32-2,895.64

Finding the Fourth Proportional to 5,133.76, 7,084.32 and 2,895.64

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Solution

The fourth proportional to 5,133.76, 7,084.32 and 2,895.64 is: 3,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.76 : 7,084.32 = 2,895.64 : x
  2. Step 2: Convert to fraction form
    5,133.76/7,084.32 = 2,895.64/x
  3. Step 3: Cross multiply
    5,133.76x = 7,084.32 × 2,895.64
  4. Step 4: Simplify right side
    5,133.76x = 20,513,640.36
  5. Step 5: Solve for x
    x = 20,513,640.36/5,133.76
  6. Step 6: Final answer
    x = 3,995.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.