Home / 6,426.32-9,639.49-3,306.74

Finding the Fourth Proportional to 6,426.32, 9,639.49 and 3,306.74

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Solution

The fourth proportional to 6,426.32, 9,639.49 and 3,306.74 is: 4,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.32 : 9,639.49 = 3,306.74 : x
  2. Step 2: Convert to fraction form
    6,426.32/9,639.49 = 3,306.74/x
  3. Step 3: Cross multiply
    6,426.32x = 9,639.49 × 3,306.74
  4. Step 4: Simplify right side
    6,426.32x = 31,875,287.16
  5. Step 5: Solve for x
    x = 31,875,287.16/6,426.32
  6. Step 6: Final answer
    x = 4,960.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.