Home / 4,681.44-7,022.16-1,218.72

Finding the Fourth Proportional to 4,681.44, 7,022.16 and 1,218.72

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Solution

The fourth proportional to 4,681.44, 7,022.16 and 1,218.72 is: 1,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.44 : 7,022.16 = 1,218.72 : x
  2. Step 2: Convert to fraction form
    4,681.44/7,022.16 = 1,218.72/x
  3. Step 3: Cross multiply
    4,681.44x = 7,022.16 × 1,218.72
  4. Step 4: Simplify right side
    4,681.44x = 8,558,046.84
  5. Step 5: Solve for x
    x = 8,558,046.84/4,681.44
  6. Step 6: Final answer
    x = 1,828.08

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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.