Home / 6,682.40-10,011.45-5,443.10

Finding the Fourth Proportional to 6,682.40, 10,011.45 and 5,443.10

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Solution

The fourth proportional to 6,682.40, 10,011.45 and 5,443.10 is: 8,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.40 : 10,011.45 = 5,443.10 : x
  2. Step 2: Convert to fraction form
    6,682.40/10,011.45 = 5,443.10/x
  3. Step 3: Cross multiply
    6,682.40x = 10,011.45 × 5,443.10
  4. Step 4: Simplify right side
    6,682.40x = 54,493,323.50
  5. Step 5: Solve for x
    x = 54,493,323.50/6,682.40
  6. Step 6: Final answer
    x = 8,154.75

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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.