Home / 6,780.15-10,170-2,397.51

Finding the Fourth Proportional to 6,780.15, 10,170 and 2,397.51

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Solution

The fourth proportional to 6,780.15, 10,170 and 2,397.51 is: 3,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.15 : 10,170 = 2,397.51 : x
  2. Step 2: Convert to fraction form
    6,780.15/10,170 = 2,397.51/x
  3. Step 3: Cross multiply
    6,780.15x = 10,170 × 2,397.51
  4. Step 4: Simplify right side
    6,780.15x = 24,382,676.70
  5. Step 5: Solve for x
    x = 24,382,676.70/6,780.15
  6. Step 6: Final answer
    x = 3,596.19

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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.