Home / 5,577.13-8,362.45-2,978.65

Finding the Fourth Proportional to 5,577.13, 8,362.45 and 2,978.65

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Solution

The fourth proportional to 5,577.13, 8,362.45 and 2,978.65 is: 4,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.13 : 8,362.45 = 2,978.65 : x
  2. Step 2: Convert to fraction form
    5,577.13/8,362.45 = 2,978.65/x
  3. Step 3: Cross multiply
    5,577.13x = 8,362.45 × 2,978.65
  4. Step 4: Simplify right side
    5,577.13x = 24,908,811.69
  5. Step 5: Solve for x
    x = 24,908,811.69/5,577.13
  6. Step 6: Final answer
    x = 4,466.24

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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.