Home / 4,188.18-6,285.51-1,558.20

Finding the Fourth Proportional to 4,188.18, 6,285.51 and 1,558.20

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Solution

The fourth proportional to 4,188.18, 6,285.51 and 1,558.20 is: 2,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.18 : 6,285.51 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    4,188.18/6,285.51 = 1,558.20/x
  3. Step 3: Cross multiply
    4,188.18x = 6,285.51 × 1,558.20
  4. Step 4: Simplify right side
    4,188.18x = 9,794,081.68
  5. Step 5: Solve for x
    x = 9,794,081.68/4,188.18
  6. Step 6: Final answer
    x = 2,338.51

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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.