Home / 4,734.55-6,530.79-3,141.28

Finding the Fourth Proportional to 4,734.55, 6,530.79 and 3,141.28

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Solution

The fourth proportional to 4,734.55, 6,530.79 and 3,141.28 is: 4,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.55 : 6,530.79 = 3,141.28 : x
  2. Step 2: Convert to fraction form
    4,734.55/6,530.79 = 3,141.28/x
  3. Step 3: Cross multiply
    4,734.55x = 6,530.79 × 3,141.28
  4. Step 4: Simplify right side
    4,734.55x = 20,515,040.01
  5. Step 5: Solve for x
    x = 20,515,040.01/4,734.55
  6. Step 6: Final answer
    x = 4,333.05

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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.