Home / 8,720.93-13,074.81-4,499.66

Finding the Fourth Proportional to 8,720.93, 13,074.81 and 4,499.66

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Solution

The fourth proportional to 8,720.93, 13,074.81 and 4,499.66 is: 6,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.93 : 13,074.81 = 4,499.66 : x
  2. Step 2: Convert to fraction form
    8,720.93/13,074.81 = 4,499.66/x
  3. Step 3: Cross multiply
    8,720.93x = 13,074.81 × 4,499.66
  4. Step 4: Simplify right side
    8,720.93x = 58,832,232.25
  5. Step 5: Solve for x
    x = 58,832,232.25/8,720.93
  6. Step 6: Final answer
    x = 6,746.09

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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.