Home / 8,742.94-13,113.70-3,477.74

Finding the Fourth Proportional to 8,742.94, 13,113.70 and 3,477.74

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Solution

The fourth proportional to 8,742.94, 13,113.70 and 3,477.74 is: 5,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.94 : 13,113.70 = 3,477.74 : x
  2. Step 2: Convert to fraction form
    8,742.94/13,113.70 = 3,477.74/x
  3. Step 3: Cross multiply
    8,742.94x = 13,113.70 × 3,477.74
  4. Step 4: Simplify right side
    8,742.94x = 45,605,964.78
  5. Step 5: Solve for x
    x = 45,605,964.78/8,742.94
  6. Step 6: Final answer
    x = 5,216.32

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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.