Home / 7,134.21-10,695.52-2,977.32

Finding the Fourth Proportional to 7,134.21, 10,695.52 and 2,977.32

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Solution

The fourth proportional to 7,134.21, 10,695.52 and 2,977.32 is: 4,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.21 : 10,695.52 = 2,977.32 : x
  2. Step 2: Convert to fraction form
    7,134.21/10,695.52 = 2,977.32/x
  3. Step 3: Cross multiply
    7,134.21x = 10,695.52 × 2,977.32
  4. Step 4: Simplify right side
    7,134.21x = 31,843,985.61
  5. Step 5: Solve for x
    x = 31,843,985.61/7,134.21
  6. Step 6: Final answer
    x = 4,463.56

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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.