Home / 5,312.70-7,331.73-2,954.82

Finding the Fourth Proportional to 5,312.70, 7,331.73 and 2,954.82

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Solution

The fourth proportional to 5,312.70, 7,331.73 and 2,954.82 is: 4,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.70 : 7,331.73 = 2,954.82 : x
  2. Step 2: Convert to fraction form
    5,312.70/7,331.73 = 2,954.82/x
  3. Step 3: Cross multiply
    5,312.70x = 7,331.73 × 2,954.82
  4. Step 4: Simplify right side
    5,312.70x = 21,663,942.44
  5. Step 5: Solve for x
    x = 21,663,942.44/5,312.70
  6. Step 6: Final answer
    x = 4,077.77

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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.