Home / 4,721.51-7,082.27-2,122.63

Finding the Fourth Proportional to 4,721.51, 7,082.27 and 2,122.63

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Solution

The fourth proportional to 4,721.51, 7,082.27 and 2,122.63 is: 3,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.51 : 7,082.27 = 2,122.63 : x
  2. Step 2: Convert to fraction form
    4,721.51/7,082.27 = 2,122.63/x
  3. Step 3: Cross multiply
    4,721.51x = 7,082.27 × 2,122.63
  4. Step 4: Simplify right side
    4,721.51x = 15,033,038.77
  5. Step 5: Solve for x
    x = 15,033,038.77/4,721.51
  6. Step 6: Final answer
    x = 3,183.95

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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.