Home / 7,643.43-11,468.39-4,176.63

Finding the Fourth Proportional to 7,643.43, 11,468.39 and 4,176.63

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Solution

The fourth proportional to 7,643.43, 11,468.39 and 4,176.63 is: 6,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.43 : 11,468.39 = 4,176.63 : x
  2. Step 2: Convert to fraction form
    7,643.43/11,468.39 = 4,176.63/x
  3. Step 3: Cross multiply
    7,643.43x = 11,468.39 × 4,176.63
  4. Step 4: Simplify right side
    7,643.43x = 47,899,200.84
  5. Step 5: Solve for x
    x = 47,899,200.84/7,643.43
  6. Step 6: Final answer
    x = 6,266.72

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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.