Home / 8,695.96-13,045.30-3,148.72

Finding the Fourth Proportional to 8,695.96, 13,045.30 and 3,148.72

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Solution

The fourth proportional to 8,695.96, 13,045.30 and 3,148.72 is: 4,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.96 : 13,045.30 = 3,148.72 : x
  2. Step 2: Convert to fraction form
    8,695.96/13,045.30 = 3,148.72/x
  3. Step 3: Cross multiply
    8,695.96x = 13,045.30 × 3,148.72
  4. Step 4: Simplify right side
    8,695.96x = 41,075,997.02
  5. Step 5: Solve for x
    x = 41,075,997.02/8,695.96
  6. Step 6: Final answer
    x = 4,723.57

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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.