Home / 9,812.08-14,720.40-3,238.80

Finding the Fourth Proportional to 9,812.08, 14,720.40 and 3,238.80

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Solution

The fourth proportional to 9,812.08, 14,720.40 and 3,238.80 is: 4,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.08 : 14,720.40 = 3,238.80 : x
  2. Step 2: Convert to fraction form
    9,812.08/14,720.40 = 3,238.80/x
  3. Step 3: Cross multiply
    9,812.08x = 14,720.40 × 3,238.80
  4. Step 4: Simplify right side
    9,812.08x = 47,676,431.52
  5. Step 5: Solve for x
    x = 47,676,431.52/9,812.08
  6. Step 6: Final answer
    x = 4,858.95

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1.5x scale

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.