Home / 5,372.07-8,018.85-4,976.36

Finding the Fourth Proportional to 5,372.07, 8,018.85 and 4,976.36

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Solution

The fourth proportional to 5,372.07, 8,018.85 and 4,976.36 is: 7,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.07 : 8,018.85 = 4,976.36 : x
  2. Step 2: Convert to fraction form
    5,372.07/8,018.85 = 4,976.36/x
  3. Step 3: Cross multiply
    5,372.07x = 8,018.85 × 4,976.36
  4. Step 4: Simplify right side
    5,372.07x = 39,904,687.58
  5. Step 5: Solve for x
    x = 39,904,687.58/5,372.07
  6. Step 6: Final answer
    x = 7,428.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.