Home / 6,882.30-10,323.44-1,688.12

Finding the Fourth Proportional to 6,882.30, 10,323.44 and 1,688.12

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Solution

The fourth proportional to 6,882.30, 10,323.44 and 1,688.12 is: 2,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.30 : 10,323.44 = 1,688.12 : x
  2. Step 2: Convert to fraction form
    6,882.30/10,323.44 = 1,688.12/x
  3. Step 3: Cross multiply
    6,882.30x = 10,323.44 × 1,688.12
  4. Step 4: Simplify right side
    6,882.30x = 17,427,205.53
  5. Step 5: Solve for x
    x = 17,427,205.53/6,882.30
  6. Step 6: Final answer
    x = 2,532.18

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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.