Home / 6,885.45-10,328.27-1,691.32

Finding the Fourth Proportional to 6,885.45, 10,328.27 and 1,691.32

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Solution

The fourth proportional to 6,885.45, 10,328.27 and 1,691.32 is: 2,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.45 : 10,328.27 = 1,691.32 : x
  2. Step 2: Convert to fraction form
    6,885.45/10,328.27 = 1,691.32/x
  3. Step 3: Cross multiply
    6,885.45x = 10,328.27 × 1,691.32
  4. Step 4: Simplify right side
    6,885.45x = 17,468,409.62
  5. Step 5: Solve for x
    x = 17,468,409.62/6,885.45
  6. Step 6: Final answer
    x = 2,537.00

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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.