Home / 5,133.92-7,084.87-2,895.58

Finding the Fourth Proportional to 5,133.92, 7,084.87 and 2,895.58

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Solution

The fourth proportional to 5,133.92, 7,084.87 and 2,895.58 is: 3,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.92 : 7,084.87 = 2,895.58 : x
  2. Step 2: Convert to fraction form
    5,133.92/7,084.87 = 2,895.58/x
  3. Step 3: Cross multiply
    5,133.92x = 7,084.87 × 2,895.58
  4. Step 4: Simplify right side
    5,133.92x = 20,514,809.49
  5. Step 5: Solve for x
    x = 20,514,809.49/5,133.92
  6. Step 6: Final answer
    x = 3,995.94

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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.