Home / 7,214.63-9,957.12-4,231.61

Finding the Fourth Proportional to 7,214.63, 9,957.12 and 4,231.61

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Solution

The fourth proportional to 7,214.63, 9,957.12 and 4,231.61 is: 5,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.63 : 9,957.12 = 4,231.61 : x
  2. Step 2: Convert to fraction form
    7,214.63/9,957.12 = 4,231.61/x
  3. Step 3: Cross multiply
    7,214.63x = 9,957.12 × 4,231.61
  4. Step 4: Simplify right side
    7,214.63x = 42,134,648.56
  5. Step 5: Solve for x
    x = 42,134,648.56/7,214.63
  6. Step 6: Final answer
    x = 5,840.17

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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.