Home / 4,905.15-7,355.42-1,782.95

Finding the Fourth Proportional to 4,905.15, 7,355.42 and 1,782.95

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Solution

The fourth proportional to 4,905.15, 7,355.42 and 1,782.95 is: 2,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.15 : 7,355.42 = 1,782.95 : x
  2. Step 2: Convert to fraction form
    4,905.15/7,355.42 = 1,782.95/x
  3. Step 3: Cross multiply
    4,905.15x = 7,355.42 × 1,782.95
  4. Step 4: Simplify right side
    4,905.15x = 13,114,337.17
  5. Step 5: Solve for x
    x = 13,114,337.17/4,905.15
  6. Step 6: Final answer
    x = 2,673.59

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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.