Home / 5,186.04-7,156.74-2,828.19

Finding the Fourth Proportional to 5,186.04, 7,156.74 and 2,828.19

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Solution

The fourth proportional to 5,186.04, 7,156.74 and 2,828.19 is: 3,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.04 : 7,156.74 = 2,828.19 : x
  2. Step 2: Convert to fraction form
    5,186.04/7,156.74 = 2,828.19/x
  3. Step 3: Cross multiply
    5,186.04x = 7,156.74 × 2,828.19
  4. Step 4: Simplify right side
    5,186.04x = 20,240,620.50
  5. Step 5: Solve for x
    x = 20,240,620.50/5,186.04
  6. Step 6: Final answer
    x = 3,902.90

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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.