Home / 8,424.10-11,625.98-4,647.63

Finding the Fourth Proportional to 8,424.10, 11,625.98 and 4,647.63

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Solution

The fourth proportional to 8,424.10, 11,625.98 and 4,647.63 is: 6,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.10 : 11,625.98 = 4,647.63 : x
  2. Step 2: Convert to fraction form
    8,424.10/11,625.98 = 4,647.63/x
  3. Step 3: Cross multiply
    8,424.10x = 11,625.98 × 4,647.63
  4. Step 4: Simplify right side
    8,424.10x = 54,033,234.53
  5. Step 5: Solve for x
    x = 54,033,234.53/8,424.10
  6. Step 6: Final answer
    x = 6,414.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.