Home / 8,700.14-13,041.24-3,428.02

Finding the Fourth Proportional to 8,700.14, 13,041.24 and 3,428.02

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Solution

The fourth proportional to 8,700.14, 13,041.24 and 3,428.02 is: 5,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.14 : 13,041.24 = 3,428.02 : x
  2. Step 2: Convert to fraction form
    8,700.14/13,041.24 = 3,428.02/x
  3. Step 3: Cross multiply
    8,700.14x = 13,041.24 × 3,428.02
  4. Step 4: Simplify right side
    8,700.14x = 44,705,634.99
  5. Step 5: Solve for x
    x = 44,705,634.99/8,700.14
  6. Step 6: Final answer
    x = 5,138.49

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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.