Home / 6,424.96-8,866.38-4,069.03

Finding the Fourth Proportional to 6,424.96, 8,866.38 and 4,069.03

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Solution

The fourth proportional to 6,424.96, 8,866.38 and 4,069.03 is: 5,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.96 : 8,866.38 = 4,069.03 : x
  2. Step 2: Convert to fraction form
    6,424.96/8,866.38 = 4,069.03/x
  3. Step 3: Cross multiply
    6,424.96x = 8,866.38 × 4,069.03
  4. Step 4: Simplify right side
    6,424.96x = 36,077,566.21
  5. Step 5: Solve for x
    x = 36,077,566.21/6,424.96
  6. Step 6: Final answer
    x = 5,615.22

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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.