Home / 5,312.36-7,331.10-2,954.54

Finding the Fourth Proportional to 5,312.36, 7,331.10 and 2,954.54

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Solution

The fourth proportional to 5,312.36, 7,331.10 and 2,954.54 is: 4,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.36 : 7,331.10 = 2,954.54 : x
  2. Step 2: Convert to fraction form
    5,312.36/7,331.10 = 2,954.54/x
  3. Step 3: Cross multiply
    5,312.36x = 7,331.10 × 2,954.54
  4. Step 4: Simplify right side
    5,312.36x = 21,660,028.19
  5. Step 5: Solve for x
    x = 21,660,028.19/5,312.36
  6. Step 6: Final answer
    x = 4,077.29

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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.