Home / 8,447.07-12,666.99-2,900.97

Finding the Fourth Proportional to 8,447.07, 12,666.99 and 2,900.97

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Solution

The fourth proportional to 8,447.07, 12,666.99 and 2,900.97 is: 4,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.07 : 12,666.99 = 2,900.97 : x
  2. Step 2: Convert to fraction form
    8,447.07/12,666.99 = 2,900.97/x
  3. Step 3: Cross multiply
    8,447.07x = 12,666.99 × 2,900.97
  4. Step 4: Simplify right side
    8,447.07x = 36,746,557.98
  5. Step 5: Solve for x
    x = 36,746,557.98/8,447.07
  6. Step 6: Final answer
    x = 4,350.21

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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.