Home / 8,260.28-11,403.07-5,539.45

Finding the Fourth Proportional to 8,260.28, 11,403.07 and 5,539.45

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Solution

The fourth proportional to 8,260.28, 11,403.07 and 5,539.45 is: 7,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.28 : 11,403.07 = 5,539.45 : x
  2. Step 2: Convert to fraction form
    8,260.28/11,403.07 = 5,539.45/x
  3. Step 3: Cross multiply
    8,260.28x = 11,403.07 × 5,539.45
  4. Step 4: Simplify right side
    8,260.28x = 63,166,736.11
  5. Step 5: Solve for x
    x = 63,166,736.11/8,260.28
  6. Step 6: Final answer
    x = 7,647.05

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1.5x scale

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.