Home / 7,214.12-9,955.77-4,229.54

Finding the Fourth Proportional to 7,214.12, 9,955.77 and 4,229.54

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Solution

The fourth proportional to 7,214.12, 9,955.77 and 4,229.54 is: 5,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.12 : 9,955.77 = 4,229.54 : x
  2. Step 2: Convert to fraction form
    7,214.12/9,955.77 = 4,229.54/x
  3. Step 3: Cross multiply
    7,214.12x = 9,955.77 × 4,229.54
  4. Step 4: Simplify right side
    7,214.12x = 42,108,327.45
  5. Step 5: Solve for x
    x = 42,108,327.45/7,214.12
  6. Step 6: Final answer
    x = 5,836.93

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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.