Home / 9,208.31-12,708.93-5,230.68

Finding the Fourth Proportional to 9,208.31, 12,708.93 and 5,230.68

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Solution

The fourth proportional to 9,208.31, 12,708.93 and 5,230.68 is: 7,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.31 : 12,708.93 = 5,230.68 : x
  2. Step 2: Convert to fraction form
    9,208.31/12,708.93 = 5,230.68/x
  3. Step 3: Cross multiply
    9,208.31x = 12,708.93 × 5,230.68
  4. Step 4: Simplify right side
    9,208.31x = 66,476,345.97
  5. Step 5: Solve for x
    x = 66,476,345.97/9,208.31
  6. Step 6: Final answer
    x = 7,219.17

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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.