Home / 9,609.48-13,261.32-5,418

Finding the Fourth Proportional to 9,609.48, 13,261.32 and 5,418

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Solution

The fourth proportional to 9,609.48, 13,261.32 and 5,418 is: 7,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.48 : 13,261.32 = 5,418 : x
  2. Step 2: Convert to fraction form
    9,609.48/13,261.32 = 5,418/x
  3. Step 3: Cross multiply
    9,609.48x = 13,261.32 × 5,418
  4. Step 4: Simplify right side
    9,609.48x = 71,849,831.76
  5. Step 5: Solve for x
    x = 71,849,831.76/9,609.48
  6. Step 6: Final answer
    x = 7,476.97

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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.