Home / 4,723.20-6,520.32-2,955.78

Finding the Fourth Proportional to 4,723.20, 6,520.32 and 2,955.78

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Solution

The fourth proportional to 4,723.20, 6,520.32 and 2,955.78 is: 4,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.20 : 6,520.32 = 2,955.78 : x
  2. Step 2: Convert to fraction form
    4,723.20/6,520.32 = 2,955.78/x
  3. Step 3: Cross multiply
    4,723.20x = 6,520.32 × 2,955.78
  4. Step 4: Simplify right side
    4,723.20x = 19,272,631.45
  5. Step 5: Solve for x
    x = 19,272,631.45/4,723.20
  6. Step 6: Final answer
    x = 4,080.42

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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.