Home / 6,448.09-8,890.03-4,175.39

Finding the Fourth Proportional to 6,448.09, 8,890.03 and 4,175.39

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Solution

The fourth proportional to 6,448.09, 8,890.03 and 4,175.39 is: 5,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.09 : 8,890.03 = 4,175.39 : x
  2. Step 2: Convert to fraction form
    6,448.09/8,890.03 = 4,175.39/x
  3. Step 3: Cross multiply
    6,448.09x = 8,890.03 × 4,175.39
  4. Step 4: Simplify right side
    6,448.09x = 37,119,319.80
  5. Step 5: Solve for x
    x = 37,119,319.80/6,448.09
  6. Step 6: Final answer
    x = 5,756.64

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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.