Home / 5,134.22-7,085.19-2,776.35

Finding the Fourth Proportional to 5,134.22, 7,085.19 and 2,776.35

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Solution

The fourth proportional to 5,134.22, 7,085.19 and 2,776.35 is: 3,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.22 : 7,085.19 = 2,776.35 : x
  2. Step 2: Convert to fraction form
    5,134.22/7,085.19 = 2,776.35/x
  3. Step 3: Cross multiply
    5,134.22x = 7,085.19 × 2,776.35
  4. Step 4: Simplify right side
    5,134.22x = 19,670,967.26
  5. Step 5: Solve for x
    x = 19,670,967.26/5,134.22
  6. Step 6: Final answer
    x = 3,831.34

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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.