Home / 6,897.12-10,345.67-2,512.79

Finding the Fourth Proportional to 6,897.12, 10,345.67 and 2,512.79

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Solution

The fourth proportional to 6,897.12, 10,345.67 and 2,512.79 is: 3,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.12 : 10,345.67 = 2,512.79 : x
  2. Step 2: Convert to fraction form
    6,897.12/10,345.67 = 2,512.79/x
  3. Step 3: Cross multiply
    6,897.12x = 10,345.67 × 2,512.79
  4. Step 4: Simplify right side
    6,897.12x = 25,996,431.83
  5. Step 5: Solve for x
    x = 25,996,431.83/6,897.12
  6. Step 6: Final answer
    x = 3,769.17

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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.