Home / 6,424.14-8,866.79-4,182.10

Finding the Fourth Proportional to 6,424.14, 8,866.79 and 4,182.10

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Solution

The fourth proportional to 6,424.14, 8,866.79 and 4,182.10 is: 5,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.14 : 8,866.79 = 4,182.10 : x
  2. Step 2: Convert to fraction form
    6,424.14/8,866.79 = 4,182.10/x
  3. Step 3: Cross multiply
    6,424.14x = 8,866.79 × 4,182.10
  4. Step 4: Simplify right side
    6,424.14x = 37,081,814.80
  5. Step 5: Solve for x
    x = 37,081,814.80/6,424.14
  6. Step 6: Final answer
    x = 5,772.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.