Home / 9,104.60-12,558.71-5,561.66

Finding the Fourth Proportional to 9,104.60, 12,558.71 and 5,561.66

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Solution

The fourth proportional to 9,104.60, 12,558.71 and 5,561.66 is: 7,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.60 : 12,558.71 = 5,561.66 : x
  2. Step 2: Convert to fraction form
    9,104.60/12,558.71 = 5,561.66/x
  3. Step 3: Cross multiply
    9,104.60x = 12,558.71 × 5,561.66
  4. Step 4: Simplify right side
    9,104.60x = 69,847,320.36
  5. Step 5: Solve for x
    x = 69,847,320.36/9,104.60
  6. Step 6: Final answer
    x = 7,671.65

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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.