Home / 7,913.96-10,922.61-4,558.72

Finding the Fourth Proportional to 7,913.96, 10,922.61 and 4,558.72

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Solution

The fourth proportional to 7,913.96, 10,922.61 and 4,558.72 is: 6,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.96 : 10,922.61 = 4,558.72 : x
  2. Step 2: Convert to fraction form
    7,913.96/10,922.61 = 4,558.72/x
  3. Step 3: Cross multiply
    7,913.96x = 10,922.61 × 4,558.72
  4. Step 4: Simplify right side
    7,913.96x = 49,793,120.66
  5. Step 5: Solve for x
    x = 49,793,120.66/7,913.96
  6. Step 6: Final answer
    x = 6,291.81

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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.