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Finding the Fourth Proportional to 6,430.08, 8,874.10 and 4,040.44

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Solution

The fourth proportional to 6,430.08, 8,874.10 and 4,040.44 is: 5,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.08 : 8,874.10 = 4,040.44 : x
  2. Step 2: Convert to fraction form
    6,430.08/8,874.10 = 4,040.44/x
  3. Step 3: Cross multiply
    6,430.08x = 8,874.10 × 4,040.44
  4. Step 4: Simplify right side
    6,430.08x = 35,855,268.60
  5. Step 5: Solve for x
    x = 35,855,268.60/6,430.08
  6. Step 6: Final answer
    x = 5,576.18

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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.