Home / 8,657.19-12,973.64-3,723.12

Finding the Fourth Proportional to 8,657.19, 12,973.64 and 3,723.12

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Solution

The fourth proportional to 8,657.19, 12,973.64 and 3,723.12 is: 5,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.19 : 12,973.64 = 3,723.12 : x
  2. Step 2: Convert to fraction form
    8,657.19/12,973.64 = 3,723.12/x
  3. Step 3: Cross multiply
    8,657.19x = 12,973.64 × 3,723.12
  4. Step 4: Simplify right side
    8,657.19x = 48,302,399.94
  5. Step 5: Solve for x
    x = 48,302,399.94/8,657.19
  6. Step 6: Final answer
    x = 5,579.45

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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.