Home / 5,396.16-7,435.68-3,718.08

Finding the Fourth Proportional to 5,396.16, 7,435.68 and 3,718.08

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Solution

The fourth proportional to 5,396.16, 7,435.68 and 3,718.08 is: 5,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.16 : 7,435.68 = 3,718.08 : x
  2. Step 2: Convert to fraction form
    5,396.16/7,435.68 = 3,718.08/x
  3. Step 3: Cross multiply
    5,396.16x = 7,435.68 × 3,718.08
  4. Step 4: Simplify right side
    5,396.16x = 27,646,453.09
  5. Step 5: Solve for x
    x = 27,646,453.09/5,396.16
  6. Step 6: Final answer
    x = 5,123.36

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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.