Home / 5,253.36-7,880.76-2,331.60

Finding the Fourth Proportional to 5,253.36, 7,880.76 and 2,331.60

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Solution

The fourth proportional to 5,253.36, 7,880.76 and 2,331.60 is: 3,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.36 : 7,880.76 = 2,331.60 : x
  2. Step 2: Convert to fraction form
    5,253.36/7,880.76 = 2,331.60/x
  3. Step 3: Cross multiply
    5,253.36x = 7,880.76 × 2,331.60
  4. Step 4: Simplify right side
    5,253.36x = 18,374,780.02
  5. Step 5: Solve for x
    x = 18,374,780.02/5,253.36
  6. Step 6: Final answer
    x = 3,497.72

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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.