Home / 5,715.96-7,888.32-3,477.45

Finding the Fourth Proportional to 5,715.96, 7,888.32 and 3,477.45

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Solution

The fourth proportional to 5,715.96, 7,888.32 and 3,477.45 is: 4,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.96 : 7,888.32 = 3,477.45 : x
  2. Step 2: Convert to fraction form
    5,715.96/7,888.32 = 3,477.45/x
  3. Step 3: Cross multiply
    5,715.96x = 7,888.32 × 3,477.45
  4. Step 4: Simplify right side
    5,715.96x = 27,431,238.38
  5. Step 5: Solve for x
    x = 27,431,238.38/5,715.96
  6. Step 6: Final answer
    x = 4,799.06

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Half scale
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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.