Home / 5,208.40-7,803.96-3,666.16

Finding the Fourth Proportional to 5,208.40, 7,803.96 and 3,666.16

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Solution

The fourth proportional to 5,208.40, 7,803.96 and 3,666.16 is: 5,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.40 : 7,803.96 = 3,666.16 : x
  2. Step 2: Convert to fraction form
    5,208.40/7,803.96 = 3,666.16/x
  3. Step 3: Cross multiply
    5,208.40x = 7,803.96 × 3,666.16
  4. Step 4: Simplify right side
    5,208.40x = 28,610,565.99
  5. Step 5: Solve for x
    x = 28,610,565.99/5,208.40
  6. Step 6: Final answer
    x = 5,493.16

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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.