Home / 7,260.71-10,878.30-5,177.60

Finding the Fourth Proportional to 7,260.71, 10,878.30 and 5,177.60

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Solution

The fourth proportional to 7,260.71, 10,878.30 and 5,177.60 is: 7,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.71 : 10,878.30 = 5,177.60 : x
  2. Step 2: Convert to fraction form
    7,260.71/10,878.30 = 5,177.60/x
  3. Step 3: Cross multiply
    7,260.71x = 10,878.30 × 5,177.60
  4. Step 4: Simplify right side
    7,260.71x = 56,323,431.69
  5. Step 5: Solve for x
    x = 56,323,431.69/7,260.71
  6. Step 6: Final answer
    x = 7,757.30

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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.