Home / 4,772.88-7,159.32-4,247.28

Finding the Fourth Proportional to 4,772.88, 7,159.32 and 4,247.28

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Solution

The fourth proportional to 4,772.88, 7,159.32 and 4,247.28 is: 6,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.88 : 7,159.32 = 4,247.28 : x
  2. Step 2: Convert to fraction form
    4,772.88/7,159.32 = 4,247.28/x
  3. Step 3: Cross multiply
    4,772.88x = 7,159.32 × 4,247.28
  4. Step 4: Simplify right side
    4,772.88x = 30,407,636.65
  5. Step 5: Solve for x
    x = 30,407,636.65/4,772.88
  6. Step 6: Final answer
    x = 6,370.92

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.