Home / 5,302.94-7,318.17-2,945.21

Finding the Fourth Proportional to 5,302.94, 7,318.17 and 2,945.21

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Solution

The fourth proportional to 5,302.94, 7,318.17 and 2,945.21 is: 4,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.94 : 7,318.17 = 2,945.21 : x
  2. Step 2: Convert to fraction form
    5,302.94/7,318.17 = 2,945.21/x
  3. Step 3: Cross multiply
    5,302.94x = 7,318.17 × 2,945.21
  4. Step 4: Simplify right side
    5,302.94x = 21,553,510.87
  5. Step 5: Solve for x
    x = 21,553,510.87/5,302.94
  6. Step 6: Final answer
    x = 4,064.45

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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.