Home / 7,661.28-10,573.71-4,678.83

Finding the Fourth Proportional to 7,661.28, 10,573.71 and 4,678.83

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Solution

The fourth proportional to 7,661.28, 10,573.71 and 4,678.83 is: 6,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.28 : 10,573.71 = 4,678.83 : x
  2. Step 2: Convert to fraction form
    7,661.28/10,573.71 = 4,678.83/x
  3. Step 3: Cross multiply
    7,661.28x = 10,573.71 × 4,678.83
  4. Step 4: Simplify right side
    7,661.28x = 49,472,591.56
  5. Step 5: Solve for x
    x = 49,472,591.56/7,661.28
  6. Step 6: Final answer
    x = 6,457.48

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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.