Home / 8,406.02-12,605.70-2,858.24

Finding the Fourth Proportional to 8,406.02, 12,605.70 and 2,858.24

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Solution

The fourth proportional to 8,406.02, 12,605.70 and 2,858.24 is: 4,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.02 : 12,605.70 = 2,858.24 : x
  2. Step 2: Convert to fraction form
    8,406.02/12,605.70 = 2,858.24/x
  3. Step 3: Cross multiply
    8,406.02x = 12,605.70 × 2,858.24
  4. Step 4: Simplify right side
    8,406.02x = 36,030,115.97
  5. Step 5: Solve for x
    x = 36,030,115.97/8,406.02
  6. Step 6: Final answer
    x = 4,286.23

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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.