Home / 5,304.09-7,955.52-1,408.80

Finding the Fourth Proportional to 5,304.09, 7,955.52 and 1,408.80

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Solution

The fourth proportional to 5,304.09, 7,955.52 and 1,408.80 is: 2,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.09 : 7,955.52 = 1,408.80 : x
  2. Step 2: Convert to fraction form
    5,304.09/7,955.52 = 1,408.80/x
  3. Step 3: Cross multiply
    5,304.09x = 7,955.52 × 1,408.80
  4. Step 4: Simplify right side
    5,304.09x = 11,207,696.80
  5. Step 5: Solve for x
    x = 11,207,696.80/5,304.09
  6. Step 6: Final answer
    x = 2,113.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.