Home / 7,643.09-10,549.33-4,660.56

Finding the Fourth Proportional to 7,643.09, 10,549.33 and 4,660.56

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Solution

The fourth proportional to 7,643.09, 10,549.33 and 4,660.56 is: 6,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.09 : 10,549.33 = 4,660.56 : x
  2. Step 2: Convert to fraction form
    7,643.09/10,549.33 = 4,660.56/x
  3. Step 3: Cross multiply
    7,643.09x = 10,549.33 × 4,660.56
  4. Step 4: Simplify right side
    7,643.09x = 49,165,785.42
  5. Step 5: Solve for x
    x = 49,165,785.42/7,643.09
  6. Step 6: Final answer
    x = 6,432.71

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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.