Home / 7,921.55-10,932.90-4,563.72

Finding the Fourth Proportional to 7,921.55, 10,932.90 and 4,563.72

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Solution

The fourth proportional to 7,921.55, 10,932.90 and 4,563.72 is: 6,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.55 : 10,932.90 = 4,563.72 : x
  2. Step 2: Convert to fraction form
    7,921.55/10,932.90 = 4,563.72/x
  3. Step 3: Cross multiply
    7,921.55x = 10,932.90 × 4,563.72
  4. Step 4: Simplify right side
    7,921.55x = 49,894,694.39
  5. Step 5: Solve for x
    x = 49,894,694.39/7,921.55
  6. Step 6: Final answer
    x = 6,298.60

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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.