Home / 4,457.50-6,687.36-1,379.50

Finding the Fourth Proportional to 4,457.50, 6,687.36 and 1,379.50

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Solution

The fourth proportional to 4,457.50, 6,687.36 and 1,379.50 is: 2,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.50 : 6,687.36 = 1,379.50 : x
  2. Step 2: Convert to fraction form
    4,457.50/6,687.36 = 1,379.50/x
  3. Step 3: Cross multiply
    4,457.50x = 6,687.36 × 1,379.50
  4. Step 4: Simplify right side
    4,457.50x = 9,225,213.12
  5. Step 5: Solve for x
    x = 9,225,213.12/4,457.50
  6. Step 6: Final answer
    x = 2,069.59

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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.