Home / 8,558.60-11,804.55-5,411.75

Finding the Fourth Proportional to 8,558.60, 11,804.55 and 5,411.75

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Solution

The fourth proportional to 8,558.60, 11,804.55 and 5,411.75 is: 7,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.60 : 11,804.55 = 5,411.75 : x
  2. Step 2: Convert to fraction form
    8,558.60/11,804.55 = 5,411.75/x
  3. Step 3: Cross multiply
    8,558.60x = 11,804.55 × 5,411.75
  4. Step 4: Simplify right side
    8,558.60x = 63,883,273.46
  5. Step 5: Solve for x
    x = 63,883,273.46/8,558.60
  6. Step 6: Final answer
    x = 7,464.22

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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.