Home / 6,917.63-10,380.50-2,535.40

Finding the Fourth Proportional to 6,917.63, 10,380.50 and 2,535.40

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Solution

The fourth proportional to 6,917.63, 10,380.50 and 2,535.40 is: 3,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.63 : 10,380.50 = 2,535.40 : x
  2. Step 2: Convert to fraction form
    6,917.63/10,380.50 = 2,535.40/x
  3. Step 3: Cross multiply
    6,917.63x = 10,380.50 × 2,535.40
  4. Step 4: Simplify right side
    6,917.63x = 26,318,655.12
  5. Step 5: Solve for x
    x = 26,318,655.12/6,917.63
  6. Step 6: Final answer
    x = 3,804.58

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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.