Home / 3,639.47-5,463.95-3,122.82

Finding the Fourth Proportional to 3,639.47, 5,463.95 and 3,122.82

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Solution

The fourth proportional to 3,639.47, 5,463.95 and 3,122.82 is: 4,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.47 : 5,463.95 = 3,122.82 : x
  2. Step 2: Convert to fraction form
    3,639.47/5,463.95 = 3,122.82/x
  3. Step 3: Cross multiply
    3,639.47x = 5,463.95 × 3,122.82
  4. Step 4: Simplify right side
    3,639.47x = 17,062,916.72
  5. Step 5: Solve for x
    x = 17,062,916.72/3,639.47
  6. Step 6: Final answer
    x = 4,688.30

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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.