Home / 4,457.48-6,686.01-2,115.77

Finding the Fourth Proportional to 4,457.48, 6,686.01 and 2,115.77

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Solution

The fourth proportional to 4,457.48, 6,686.01 and 2,115.77 is: 3,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.48 : 6,686.01 = 2,115.77 : x
  2. Step 2: Convert to fraction form
    4,457.48/6,686.01 = 2,115.77/x
  3. Step 3: Cross multiply
    4,457.48x = 6,686.01 × 2,115.77
  4. Step 4: Simplify right side
    4,457.48x = 14,146,025.95
  5. Step 5: Solve for x
    x = 14,146,025.95/4,457.48
  6. Step 6: Final answer
    x = 3,173.55

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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.