Home / 5,134.38-7,085.44-2,776.52

Finding the Fourth Proportional to 5,134.38, 7,085.44 and 2,776.52

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Solution

The fourth proportional to 5,134.38, 7,085.44 and 2,776.52 is: 3,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.38 : 7,085.44 = 2,776.52 : x
  2. Step 2: Convert to fraction form
    5,134.38/7,085.44 = 2,776.52/x
  3. Step 3: Cross multiply
    5,134.38x = 7,085.44 × 2,776.52
  4. Step 4: Simplify right side
    5,134.38x = 19,672,830.44
  5. Step 5: Solve for x
    x = 19,672,830.44/5,134.38
  6. Step 6: Final answer
    x = 3,831.59

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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.