Home / 6,979.46-9,635.64-4,624.79

Finding the Fourth Proportional to 6,979.46, 9,635.64 and 4,624.79

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Solution

The fourth proportional to 6,979.46, 9,635.64 and 4,624.79 is: 6,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.46 : 9,635.64 = 4,624.79 : x
  2. Step 2: Convert to fraction form
    6,979.46/9,635.64 = 4,624.79/x
  3. Step 3: Cross multiply
    6,979.46x = 9,635.64 × 4,624.79
  4. Step 4: Simplify right side
    6,979.46x = 44,562,811.52
  5. Step 5: Solve for x
    x = 44,562,811.52/6,979.46
  6. Step 6: Final answer
    x = 6,384.85

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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.