Home / 5,156.63-7,117.99-3,060.75

Finding the Fourth Proportional to 5,156.63, 7,117.99 and 3,060.75

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Solution

The fourth proportional to 5,156.63, 7,117.99 and 3,060.75 is: 4,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.63 : 7,117.99 = 3,060.75 : x
  2. Step 2: Convert to fraction form
    5,156.63/7,117.99 = 3,060.75/x
  3. Step 3: Cross multiply
    5,156.63x = 7,117.99 × 3,060.75
  4. Step 4: Simplify right side
    5,156.63x = 21,786,380.24
  5. Step 5: Solve for x
    x = 21,786,380.24/5,156.63
  6. Step 6: Final answer
    x = 4,224.93

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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.