Home / 5,156.04-7,114.16-2,917.43

Finding the Fourth Proportional to 5,156.04, 7,114.16 and 2,917.43

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Solution

The fourth proportional to 5,156.04, 7,114.16 and 2,917.43 is: 4,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.04 : 7,114.16 = 2,917.43 : x
  2. Step 2: Convert to fraction form
    5,156.04/7,114.16 = 2,917.43/x
  3. Step 3: Cross multiply
    5,156.04x = 7,114.16 × 2,917.43
  4. Step 4: Simplify right side
    5,156.04x = 20,755,013.65
  5. Step 5: Solve for x
    x = 20,755,013.65/5,156.04
  6. Step 6: Final answer
    x = 4,025.38

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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.