Home / 4,910.22-7,359.86-1,787.67

Finding the Fourth Proportional to 4,910.22, 7,359.86 and 1,787.67

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Solution

The fourth proportional to 4,910.22, 7,359.86 and 1,787.67 is: 2,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.22 : 7,359.86 = 1,787.67 : x
  2. Step 2: Convert to fraction form
    4,910.22/7,359.86 = 1,787.67/x
  3. Step 3: Cross multiply
    4,910.22x = 7,359.86 × 1,787.67
  4. Step 4: Simplify right side
    4,910.22x = 13,157,005.40
  5. Step 5: Solve for x
    x = 13,157,005.40/4,910.22
  6. Step 6: Final answer
    x = 2,679.51

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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.