Home / 8,270.25-12,405.18-2,030.21

Finding the Fourth Proportional to 8,270.25, 12,405.18 and 2,030.21

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Solution

The fourth proportional to 8,270.25, 12,405.18 and 2,030.21 is: 3,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.25 : 12,405.18 = 2,030.21 : x
  2. Step 2: Convert to fraction form
    8,270.25/12,405.18 = 2,030.21/x
  3. Step 3: Cross multiply
    8,270.25x = 12,405.18 × 2,030.21
  4. Step 4: Simplify right side
    8,270.25x = 25,185,165.24
  5. Step 5: Solve for x
    x = 25,185,165.24/8,270.25
  6. Step 6: Final answer
    x = 3,045.27

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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.