Home / 4,721.20-6,517.58-2,953.80

Finding the Fourth Proportional to 4,721.20, 6,517.58 and 2,953.80

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Solution

The fourth proportional to 4,721.20, 6,517.58 and 2,953.80 is: 4,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.20 : 6,517.58 = 2,953.80 : x
  2. Step 2: Convert to fraction form
    4,721.20/6,517.58 = 2,953.80/x
  3. Step 3: Cross multiply
    4,721.20x = 6,517.58 × 2,953.80
  4. Step 4: Simplify right side
    4,721.20x = 19,251,627.80
  5. Step 5: Solve for x
    x = 19,251,627.80/4,721.20
  6. Step 6: Final answer
    x = 4,077.70

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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.