Home / 9,122.47-13,687.81-4,737.54

Finding the Fourth Proportional to 9,122.47, 13,687.81 and 4,737.54

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Solution

The fourth proportional to 9,122.47, 13,687.81 and 4,737.54 is: 7,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.47 : 13,687.81 = 4,737.54 : x
  2. Step 2: Convert to fraction form
    9,122.47/13,687.81 = 4,737.54/x
  3. Step 3: Cross multiply
    9,122.47x = 13,687.81 × 4,737.54
  4. Step 4: Simplify right side
    9,122.47x = 64,846,455.26
  5. Step 5: Solve for x
    x = 64,846,455.26/9,122.47
  6. Step 6: Final answer
    x = 7,108.43

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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.