Home / 8,382.02-12,566.82-4,218.98

Finding the Fourth Proportional to 8,382.02, 12,566.82 and 4,218.98

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Solution

The fourth proportional to 8,382.02, 12,566.82 and 4,218.98 is: 6,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.02 : 12,566.82 = 4,218.98 : x
  2. Step 2: Convert to fraction form
    8,382.02/12,566.82 = 4,218.98/x
  3. Step 3: Cross multiply
    8,382.02x = 12,566.82 × 4,218.98
  4. Step 4: Simplify right side
    8,382.02x = 53,019,162.24
  5. Step 5: Solve for x
    x = 53,019,162.24/8,382.02
  6. Step 6: Final answer
    x = 6,325.34

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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.