Home / 7,577.47-11,345.23-3,871.72

Finding the Fourth Proportional to 7,577.47, 11,345.23 and 3,871.72

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Solution

The fourth proportional to 7,577.47, 11,345.23 and 3,871.72 is: 5,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.47 : 11,345.23 = 3,871.72 : x
  2. Step 2: Convert to fraction form
    7,577.47/11,345.23 = 3,871.72/x
  3. Step 3: Cross multiply
    7,577.47x = 11,345.23 × 3,871.72
  4. Step 4: Simplify right side
    7,577.47x = 43,925,477.81
  5. Step 5: Solve for x
    x = 43,925,477.81/7,577.47
  6. Step 6: Final answer
    x = 5,796.86

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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.