Home / 4,977.51-7,466.27-1,279.75

Finding the Fourth Proportional to 4,977.51, 7,466.27 and 1,279.75

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Solution

The fourth proportional to 4,977.51, 7,466.27 and 1,279.75 is: 1,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.51 : 7,466.27 = 1,279.75 : x
  2. Step 2: Convert to fraction form
    4,977.51/7,466.27 = 1,279.75/x
  3. Step 3: Cross multiply
    4,977.51x = 7,466.27 × 1,279.75
  4. Step 4: Simplify right side
    4,977.51x = 9,554,915.30
  5. Step 5: Solve for x
    x = 9,554,915.30/4,977.51
  6. Step 6: Final answer
    x = 1,919.62

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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.