Home / 4,883.12-7,321.86-4,299.29

Finding the Fourth Proportional to 4,883.12, 7,321.86 and 4,299.29

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Solution

The fourth proportional to 4,883.12, 7,321.86 and 4,299.29 is: 6,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.12 : 7,321.86 = 4,299.29 : x
  2. Step 2: Convert to fraction form
    4,883.12/7,321.86 = 4,299.29/x
  3. Step 3: Cross multiply
    4,883.12x = 7,321.86 × 4,299.29
  4. Step 4: Simplify right side
    4,883.12x = 31,478,831.51
  5. Step 5: Solve for x
    x = 31,478,831.51/4,883.12
  6. Step 6: Final answer
    x = 6,446.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.