Home / 9,955.91-13,739.52-5,480

Finding the Fourth Proportional to 9,955.91, 13,739.52 and 5,480

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Solution

The fourth proportional to 9,955.91, 13,739.52 and 5,480 is: 7,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.91 : 13,739.52 = 5,480 : x
  2. Step 2: Convert to fraction form
    9,955.91/13,739.52 = 5,480/x
  3. Step 3: Cross multiply
    9,955.91x = 13,739.52 × 5,480
  4. Step 4: Simplify right side
    9,955.91x = 75,292,569.60
  5. Step 5: Solve for x
    x = 75,292,569.60/9,955.91
  6. Step 6: Final answer
    x = 7,562.60

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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.