Home / 6,890.15-10,335.23-2,507.64

Finding the Fourth Proportional to 6,890.15, 10,335.23 and 2,507.64

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Solution

The fourth proportional to 6,890.15, 10,335.23 and 2,507.64 is: 3,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.15 : 10,335.23 = 2,507.64 : x
  2. Step 2: Convert to fraction form
    6,890.15/10,335.23 = 2,507.64/x
  3. Step 3: Cross multiply
    6,890.15x = 10,335.23 × 2,507.64
  4. Step 4: Simplify right side
    6,890.15x = 25,917,023.62
  5. Step 5: Solve for x
    x = 25,917,023.62/6,890.15
  6. Step 6: Final answer
    x = 3,761.46

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1.5x scale

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.