Home / 6,005.44-8,291.31-4,120.18

Finding the Fourth Proportional to 6,005.44, 8,291.31 and 4,120.18

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Solution

The fourth proportional to 6,005.44, 8,291.31 and 4,120.18 is: 5,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.44 : 8,291.31 = 4,120.18 : x
  2. Step 2: Convert to fraction form
    6,005.44/8,291.31 = 4,120.18/x
  3. Step 3: Cross multiply
    6,005.44x = 8,291.31 × 4,120.18
  4. Step 4: Simplify right side
    6,005.44x = 34,161,689.64
  5. Step 5: Solve for x
    x = 34,161,689.64/6,005.44
  6. Step 6: Final answer
    x = 5,688.46

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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.