Home / 8,260.40-11,399.35-4,483.56

Finding the Fourth Proportional to 8,260.40, 11,399.35 and 4,483.56

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Solution

The fourth proportional to 8,260.40, 11,399.35 and 4,483.56 is: 6,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.40 : 11,399.35 = 4,483.56 : x
  2. Step 2: Convert to fraction form
    8,260.40/11,399.35 = 4,483.56/x
  3. Step 3: Cross multiply
    8,260.40x = 11,399.35 × 4,483.56
  4. Step 4: Simplify right side
    8,260.40x = 51,109,669.69
  5. Step 5: Solve for x
    x = 51,109,669.69/8,260.40
  6. Step 6: Final answer
    x = 6,187.32

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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.