Home / 4,188.96-6,281.88-1,555.92

Finding the Fourth Proportional to 4,188.96, 6,281.88 and 1,555.92

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Solution

The fourth proportional to 4,188.96, 6,281.88 and 1,555.92 is: 2,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.96 : 6,281.88 = 1,555.92 : x
  2. Step 2: Convert to fraction form
    4,188.96/6,281.88 = 1,555.92/x
  3. Step 3: Cross multiply
    4,188.96x = 6,281.88 × 1,555.92
  4. Step 4: Simplify right side
    4,188.96x = 9,774,102.73
  5. Step 5: Solve for x
    x = 9,774,102.73/4,188.96
  6. Step 6: Final answer
    x = 2,333.30

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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.