Home / 5,577.51-7,695.72-3,219.24

Finding the Fourth Proportional to 5,577.51, 7,695.72 and 3,219.24

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Solution

The fourth proportional to 5,577.51, 7,695.72 and 3,219.24 is: 4,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.51 : 7,695.72 = 3,219.24 : x
  2. Step 2: Convert to fraction form
    5,577.51/7,695.72 = 3,219.24/x
  3. Step 3: Cross multiply
    5,577.51x = 7,695.72 × 3,219.24
  4. Step 4: Simplify right side
    5,577.51x = 24,774,369.65
  5. Step 5: Solve for x
    x = 24,774,369.65/5,577.51
  6. Step 6: Final answer
    x = 4,441.83

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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.