Home / 4,728.88-6,528.09-3,158.02

Finding the Fourth Proportional to 4,728.88, 6,528.09 and 3,158.02

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Solution

The fourth proportional to 4,728.88, 6,528.09 and 3,158.02 is: 4,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.88 : 6,528.09 = 3,158.02 : x
  2. Step 2: Convert to fraction form
    4,728.88/6,528.09 = 3,158.02/x
  3. Step 3: Cross multiply
    4,728.88x = 6,528.09 × 3,158.02
  4. Step 4: Simplify right side
    4,728.88x = 20,615,838.78
  5. Step 5: Solve for x
    x = 20,615,838.78/4,728.88
  6. Step 6: Final answer
    x = 4,359.56

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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.