Home / 4,385.40-6,579.64-2,740.02

Finding the Fourth Proportional to 4,385.40, 6,579.64 and 2,740.02

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Solution

The fourth proportional to 4,385.40, 6,579.64 and 2,740.02 is: 4,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.40 : 6,579.64 = 2,740.02 : x
  2. Step 2: Convert to fraction form
    4,385.40/6,579.64 = 2,740.02/x
  3. Step 3: Cross multiply
    4,385.40x = 6,579.64 × 2,740.02
  4. Step 4: Simplify right side
    4,385.40x = 18,028,345.19
  5. Step 5: Solve for x
    x = 18,028,345.19/4,385.40
  6. Step 6: Final answer
    x = 4,110.99

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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.