Home / 4,257.18-6,385.58-1,137.12

Finding the Fourth Proportional to 4,257.18, 6,385.58 and 1,137.12

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Solution

The fourth proportional to 4,257.18, 6,385.58 and 1,137.12 is: 1,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.18 : 6,385.58 = 1,137.12 : x
  2. Step 2: Convert to fraction form
    4,257.18/6,385.58 = 1,137.12/x
  3. Step 3: Cross multiply
    4,257.18x = 6,385.58 × 1,137.12
  4. Step 4: Simplify right side
    4,257.18x = 7,261,165.04
  5. Step 5: Solve for x
    x = 7,261,165.04/4,257.18
  6. Step 6: Final answer
    x = 1,705.63

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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.