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Finding the Fourth Proportional to 5,334.71, 7,362.39 and 2,945.11

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Solution

The fourth proportional to 5,334.71, 7,362.39 and 2,945.11 is: 4,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.71 : 7,362.39 = 2,945.11 : x
  2. Step 2: Convert to fraction form
    5,334.71/7,362.39 = 2,945.11/x
  3. Step 3: Cross multiply
    5,334.71x = 7,362.39 × 2,945.11
  4. Step 4: Simplify right side
    5,334.71x = 21,683,015.28
  5. Step 5: Solve for x
    x = 21,683,015.28/5,334.71
  6. Step 6: Final answer
    x = 4,064.52

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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.