Home / 6,883.78-10,325.72-1,689.66

Finding the Fourth Proportional to 6,883.78, 10,325.72 and 1,689.66

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Solution

The fourth proportional to 6,883.78, 10,325.72 and 1,689.66 is: 2,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.78 : 10,325.72 = 1,689.66 : x
  2. Step 2: Convert to fraction form
    6,883.78/10,325.72 = 1,689.66/x
  3. Step 3: Cross multiply
    6,883.78x = 10,325.72 × 1,689.66
  4. Step 4: Simplify right side
    6,883.78x = 17,446,956.06
  5. Step 5: Solve for x
    x = 17,446,956.06/6,883.78
  6. Step 6: Final answer
    x = 2,534.50

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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.