Home / 5,156.38-7,117.65-3,060.50

Finding the Fourth Proportional to 5,156.38, 7,117.65 and 3,060.50

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Solution

The fourth proportional to 5,156.38, 7,117.65 and 3,060.50 is: 4,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.38 : 7,117.65 = 3,060.50 : x
  2. Step 2: Convert to fraction form
    5,156.38/7,117.65 = 3,060.50/x
  3. Step 3: Cross multiply
    5,156.38x = 7,117.65 × 3,060.50
  4. Step 4: Simplify right side
    5,156.38x = 21,783,552.52
  5. Step 5: Solve for x
    x = 21,783,552.52/5,156.38
  6. Step 6: Final answer
    x = 4,224.59

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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.