Home / 4,839.52-6,679.74-3,158.05

Finding the Fourth Proportional to 4,839.52, 6,679.74 and 3,158.05

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Solution

The fourth proportional to 4,839.52, 6,679.74 and 3,158.05 is: 4,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.52 : 6,679.74 = 3,158.05 : x
  2. Step 2: Convert to fraction form
    4,839.52/6,679.74 = 3,158.05/x
  3. Step 3: Cross multiply
    4,839.52x = 6,679.74 × 3,158.05
  4. Step 4: Simplify right side
    4,839.52x = 21,094,952.91
  5. Step 5: Solve for x
    x = 21,094,952.91/4,839.52
  6. Step 6: Final answer
    x = 4,358.89

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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.