Home / 5,356.32-7,343.57-5,257.68

Finding the Fourth Proportional to 5,356.32, 7,343.57 and 5,257.68

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Solution

The fourth proportional to 5,356.32, 7,343.57 and 5,257.68 is: 7,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.32 : 7,343.57 = 5,257.68 : x
  2. Step 2: Convert to fraction form
    5,356.32/7,343.57 = 5,257.68/x
  3. Step 3: Cross multiply
    5,356.32x = 7,343.57 × 5,257.68
  4. Step 4: Simplify right side
    5,356.32x = 38,610,141.12
  5. Step 5: Solve for x
    x = 38,610,141.12/5,356.32
  6. Step 6: Final answer
    x = 7,208.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.