Home / 8,450.13-12,656.72-4,282.98

Finding the Fourth Proportional to 8,450.13, 12,656.72 and 4,282.98

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Solution

The fourth proportional to 8,450.13, 12,656.72 and 4,282.98 is: 6,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.13 : 12,656.72 = 4,282.98 : x
  2. Step 2: Convert to fraction form
    8,450.13/12,656.72 = 4,282.98/x
  3. Step 3: Cross multiply
    8,450.13x = 12,656.72 × 4,282.98
  4. Step 4: Simplify right side
    8,450.13x = 54,208,478.63
  5. Step 5: Solve for x
    x = 54,208,478.63/8,450.13
  6. Step 6: Final answer
    x = 6,415.11

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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.