Home / 6,429.62-9,643.08-2,479.52

Finding the Fourth Proportional to 6,429.62, 9,643.08 and 2,479.52

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Solution

The fourth proportional to 6,429.62, 9,643.08 and 2,479.52 is: 3,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.62 : 9,643.08 = 2,479.52 : x
  2. Step 2: Convert to fraction form
    6,429.62/9,643.08 = 2,479.52/x
  3. Step 3: Cross multiply
    6,429.62x = 9,643.08 × 2,479.52
  4. Step 4: Simplify right side
    6,429.62x = 23,910,243.13
  5. Step 5: Solve for x
    x = 23,910,243.13/6,429.62
  6. Step 6: Final answer
    x = 3,718.76

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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.